P='push',F='fill',A=Array,L='length',t>.5||(count=9e4+round(random()*2e4),TN=512+round(random()*3072),a=A(l=abs(count-256)+1)[F](0),b=A(l*2)[F](0),c=A(l*3)[F](0),d=A(l*4)[F](0),e=A(l*5)[F](0),f=A(l*6)[F](0),g=A(l*7)[F](0)),t*=3,t+=(TN-512)*1024,x=sin((X=t*PI/TN*pow(2,[1,3,5,8,10,13,17][int(t/count)%7]/12))+sin(X+sin(X))/2)*(t/count*2%1-1)*(t/count*64&127?1:t/count*64%1)*(t%(count*2)<count/2),x+=a[t%a[L]],a[P](x/1.5),x+=b[t%b[L]],b[P](x/4),x+=c[t%c[L]],c[P](x/4),x+=d[t%d[L]],d[P](x/4),x+=e[t%e[L]],e[P](x/4),x+=f[t%f[L]],f[P](x/4),x+=g[t%g[L]],g[P](x/4),x/3

P='push',F='fill',A=Array,L='length',t>.5||(a=A(l=131072)[F](0),b=A(l*2)[F](0),c=A(l*3)[F](0),d=A(l*4)[F](0),e=A(l*5)[F](0),f=A(l*6)[F](0),g=A(l*7)[F](0)),t*=9,x=sin(t*PI/1920)*(t/l/32%1-1)**8+a[t%a[L]]+b[t%b[L]]+c[t%c[L]]+d[t%d[L]]+e[t%e[L]]+f[t%f[L]]+g[t%g[L]],a[P](x/2),b[P](x/2),c[P](x/2),d[P](x/2),e[P](x/2),f[P](x/2),x/3

let pos = this.idx + SR/960*this.mod*(1 - cos(this.modfreq*2*PI*this.idx/SR));

let bufpos = this.idx + SR/960*this.mod*(1 - cos(this.modfreq*2*PI*this.idx/SR/pow(2, i/this.chns)));

50*this.mod

SR/960*this.mod

j=y=>{throw y},r=(x,y=12288,z=0.5)=>(t?0:a=Array(y).fill(0),b=x%256+a.shift(),a.push(b*z),b),f=a=>2**(a/12),k=s=>String.fromCharCode(s+(t>>12)),d=(r(((t*f([14,17,21,10][3&t>>12])&128)/64-1)/(1+4*(15&(t>>14))),8192)/2+asin(sin(cbrt(t&4095)*5))/PI),t&4095?d:j(`\nU+${(t>>12).toString(16).padStart(4,`0`)}\n${"-".repeat(15)}v\n${Array.from({length:31},(_,i)=>k(i-15)).reduce((a,b)=>a+b)}`)

p=[1.5,1.8,2,1,1,2,1,1,1.6,1,1,1.5,1,1,1.2,1][(t>>12)%16]*[1,1,1.5,1.35][3&t>>17],f=a=>((0xAFEDC320>>(a*t))&1)*255,g=a=>f(p/16*a)/(1024+(t&4095))*1024,[g(.99),g(1.01)]

t%=786432,r=(x,y=12288,z=0.5)=>(t?0:a=Array(y).fill(0),b=x%256+a.shift(),a.push(b*z),b),pI=parseInt,A=r(sin(t/20480*2*PI*528*2**(pI("J HJC AC7 570   5 35A   5 35D   "[t>>12&31],36)/12))||0,6144)/2,(t&16384?(t&16383):(t&8191))?0:S=Array.from({length:s=int(81920/(528*2**((pI("8CJ 8CJ 6AH 6AD 8CJ 8CJ BFM BFI"[t>>13&31],36)||0)/12)))},()=>random()),S[t%s]=S[t%s]/2+S[(t+1)%s]/2,B=r(S[t%s]-.5),D={K:sin(cbrt(t&4095)*8)/(1+((t/256)&15))},D.S=D.K/2+(D.H=(random()-.5)*(-t>>4&255)/256),C=D["K SKH SK  SKS   "[t>>12&15]]||0,[B+A,B+C][t>>19&1]

t&12288?((t*(5+(t>>13&5|t>>12&15))/10|t>>7)+20&127)+((t*(5+(t>>16&9&3))/10|t>>11&127)&255)/2+(t*~t>>t)*!((t-(t&4096)/5)>>8&15):(4*t>>(t>>8)&255)*!(t>>13&1)+((t*~t>>t)*!!(t>>9&3)+(t&128)*!(t>>9&3))*!(t>>11&15^8)

t&12288?((t*(5+(t>>13&5|t>>12&15))/10|t>>7)+20&127)+((t*(5+(t>>16&1))/20|t>>11&63)&127)+(t*~t>>t)*!((t-(t&4096)/5)>>8&15):(4*t>>(t>>8)&255)*!(t>>13&1)+((t*~t>>t)*!!(t>>9&3)+(t&128)*!(t>>9&3))*!(t>>11&15^8)

// filter buffer
let filter = new Float32Array(131072);

// settings
var settings = {
  BPM: 240,
  SPD: 1,
  FRQ: 440
};

var length = 16;
var BPS = settings.BPM * settings.SPD / 60;


function P(time, note, pitch) {
  return 2 ** ((note - 69) / 12 + pitch) * settings.FRQ;
}

// oscillators
function Square(input, duty = 0.5) {
  return input % 1 > duty ? -1 : 1;
}

function Saw(input) {
  return 2 * input % 2 - 1;
}

function Sine(input) {
  return sin(4 * PI * input);
}

function Triangle(input) {
  return abs(input % 2 - 1) - 0.5;
}

function Noise(input) {
  return sin((255 * input | 0) ** 3);
}

// filters
function lowPass(buff, input, strength) {
  return filter[buff] += (input - filter[buff]) * strength;
}

function highPass(buff, input, strength) {
  return lowPass(buff, input, strength) - input;
}

function bandPass(buff, input, strength) {
  return highPass(buff + 1, lowPass(buff, input, strength), strength);
}


function MIDI(
  noFilter = 1, filt, buff, strength_,
  time, func, offset, note, pitch,
  strength, vol = 1
) {
  var code = (time * BPS - offset) > 0
    ? func(time * P(time, note, pitch))
        * strength ** ((time * BPS - offset) % length) ** 0.7
        / 8 * vol
    : 0;

  return !noFilter ? filt(buff, code, strength_) : code;
}


return function(time) {
  return [
    // melody
    [1, null, null, null, time, Square, 0,  -4, 5, 0.5, 2],
    [1, null, null, null, time, Square, 1,   3, 5, 0.5, 2],
    [1, null, null, null, time, Square, 2,  10, 5, 0.5, 2],
    [1, null, null, null, time, Square, 3,  11, 5, 0.5, 2],
    [1, null, null, null, time, Square, 4,  15, 5, 0.4, 2],
    [1, null, null, null, time, Square, 6,   8, 5, 0.4, 2],
    [1, null, null, null, time, Square, 7,  10, 5, 0.4, 2],
    [1, null, null, null, time, Square, 8,  -1, 5, 0.5, 2],
    [1, null, null, null, time, Square, 9,   3, 5, 0.5, 2],
    [1, null, null, null, time, Square, 10,  4, 5, 0.5, 2],
    [1, null, null, null, time, Square, 11,  8, 5, 0.2, 2],
    [1, null, null, null, time, Square, 12, 10, 5, 0.5, 2],
    [1, null, null, null, time, Square, 13,  6, 5, 0.2, 2],
    [1, null, null, null, time, Square, 14,  1, 5, 0.4, 2],
    [1, null, null, null, time, Square, 15,  3, 5, 0.4, 2],

    // bass
    [1, null, null, null, time, Saw,  0, -4, 3, 0.7, 3],
    [1, null, null, null, time, Saw,  8, -8, 3, 0.7, 3],
    [1, null, null, null, time, Saw, 12, -6, 3, 0.7, 3],

    // triangle blips
    [1, null, null, null, time, Triangle,  4,   -4, 9, 0.01, 8],
    [1, null, null, null, time, Triangle,  4.25,-4, 9, 0.01, 8],
    [1, null, null, null, time, Triangle,  4.5, -4, 9, 0.01, 8],
    [1, null, null, null, time, Triangle,  4.75,-4, 9, 0.01, 8],
    [1, null, null, null, time, Triangle,  5,   -4, 9, 0.01, 8],
    [1, null, null, null, time, Triangle,  5.25,-4, 9, 0.01, 8],

    [1, null, null, null, time, Triangle, 12,   -6, 9, 0.01, 8],
    [1, null, null, null, time, Triangle, 12.25,-6, 9, 0.01, 8],
    [1, null, null, null, time, Triangle, 12.5, -6, 9, 0.01, 8],
    [1, null, null, null, time, Triangle, 12.75,-6, 9, 0.01, 8],
    [1, null, null, null, time, Triangle, 13,   -6, 9, 0.01, 8],
    [1, null, null, null, time, Triangle, 13.25,-6, 9, 0.01, 8],
  ]
  .map(([noFilter, filt, buff, strength_, time, func, offset, note, speed, strength, vol]) =>
    MIDI(noFilter, filt, buff, strength_, time, func, offset, note, speed, strength, vol)
  )
  .reduce((a, b) => a + b);
};

t?(T=t/48E3,b=T*BPM/60,v=T*PI*2,r=b*PI,ss=x=>atan(tan(x/2))*2/PI,cs=x=>atan(tan(x))*2/PI,s=x=>atan(tan(x/2-PI/2))*2/PI,tr=x=>asin(sin(x))*2/PI,ssw=x=>(s(x)+s(x/.996)+s(x*.996)+s(x/.994)+s(x*.995)+s(x*.99))/6,M=(y,a,o)=>tanh(tanh(ssw(w=t*p([-3,-3,-4,-4,-3,-3,-1,2][b/2&7])*PI/(256+y/8))*16)/2+tanh(s(w*(16-y/8)+s(w*(64.02+y/9)))*16)/4+tanh(cs(ss(w/(1-y/996))*(.5+tr(r/2-PI/2)*.5)*7)*48)/4+a(cbrt(b*3333%1)*32)/7+tanh(32*o(cbrt(w/4%PI)*8))/2),[M(0,sin,sin),M(1,cos,cos)]):(p=v=>2**((v-.75)/12),BPM=111)

(4*(x=t>>6^t>>13)^t)+t>>(y=t>>11)%8|t%32^y<<x-t/3.12524|y<<6

magik=2**(1/12),p=1.25,BPM=160,sr=11025,T=t/sr*4096/15*BPM,an=(v,b)=>v<0?(b-abs(v%b)):v%b,
QUALITY=64,
func=(t,isNegative=0,step=1,isDivised=0,signFunc=v=>v,signFunc2=v=>v)=>{str='';for(i=1;i<QUALITY;i+=step){if (isNegative) str+='+-'[i/step&1]+'sin('+t*PI/128+'*'+signFunc2(i)+')/'+(isDivised?signFunc(i):1); else str+='+sin('+t*PI/128+'*'+signFunc2(i)+')/'+(isDivised?signFunc(i):1)};return eval(str)/(!isDivised?QUALITY:2)},
bb=t*2*p*magik**(an(an(T>>12&63^(T>>12&63)-5,15)-(T>>17&2),15)/7*12+.24|0),//((t>>10|t*t>>5)&12*t>>14)*t,
func(bb,1,1,1,v=>v,v=>v)

ds=1,t=(t/ds|0)*ds,song=t=>(I=3,er=0/0,BPM=160,SAMPRATE=38250,T=t/SAMPRATE*BPM/60*16384,T&=8388607,_T=T,c=(x,y)=>x%256*(y),tri=x=>btf(abs((x%256)-128)),bB=T=>t*[1,1.2,1.35,1.5,1,1.2,.8,.9][(T>>16)&7]*('V111'[(_T>>12)&3]=='V'?(tan((t>>3)*PI/2)|0):1),bA=T=>t*[1,1.2,1.35,1.5,1,1.2,.8,.9][(T>>16)&7]*2*('V111'[(_T>>12)&3]=='V'?(tan((t>>3)*PI/2)|0):1),btf=x=>x/128-1,fd=(x,y)=>x%256*(y&2047)/2048,B=T=>fd(fd((asin(cos(sin(bA(T)*PI/256*('V111'[(_T>>12)&3]=='V'?(tan((t>>3)*PI/2)|0):1))+sin(bA(T)/2*PI/256*('V111'[(_T>>12)&3]=='V'?(tan((t>>3)*PI/2)|0):1))*(-tri(T/2048)))*((bA(T)>>8&2)-1))*512^bB(T)/128%2*256)/512,-_T>>1),(_T>>3^767)+1.1),B2=T=>fd(fd(tri(bA(T)/2*('V111'[(_T>>12)&3]=='V'?(tan((t>>3)*PI/2)|0):1)^c(bA(T)/4,-tri(T/2048)*16)*('V111'[(_T>>12)&3]=='V'?(tan((t>>3)*PI/2)|0):1)),-_T>>1),(_T>>3)^767)+fd(fd(0.5,-_T>>1),_T>>3^767)*2,bass=T=>c(bB(T)/4*((T>>18&1)+1),abs(((T+262144)/32768%16)-8))/2%256,B3=T=>fd(fd(btf(abs(((c(bass(T)%256,abs(((T+262144)/32768%16)-8))-128)%256)-128)%256),-_T>>1),_T>>3^767)*2,hA=T=>t*2**([0,7,7,10,5,5,7,3,3,5,2,2,3,2,0,5][(T*(1+(T>>18&1))>>13)%16]/12)*(1+(T>>18&1)),hB=T=>t*[1,0.9,1,1.125,1.2,1.125,1.2,1.35,1.5,1.35,1.6,1.5,1.8,1.6,1.5,1.6,1.35,1.5,1.6,1.8,2,2.25,2.4,2.7,1.125,1.2,1.35,1.5,1.875,2,2.25,2.4][(T>>13)&31]*(1+(T>>18&1)),HA1=T=>btf((hA(T)*2^hA(T)*3^hA(T)*7)/2%256),HA2=T=>btf(((hA(T)*1.25^hA(T)/16*3*1.25)-hA(T)*1.015625+1|hA(T))%256),HA=T=>(HA1(T)/2+HA2(T)/2),fEFF=x=>min(max(x,0),1),kick=T=>btf(sin(500/cbrt(T/32%256)*'10000100110001001000010011001101'[(T>>13)&31])*127)+1,A=T=>[er,er,1,1,I,I,1,I,1,I,er,er,I,I,1,I,er,er,er,er,I,I,1,I,1,I,er,er,I,I,1,I][(T>>12)%32],B_=T=>[er,er,er,er,I,I,1,I,1,I,er,er,I,I,1,I][(T>>12)%16],ABsnarehi=T=>fd(t*tan(t>>[A(T),B_(T)][(T>>17)%2])/8&128*([[er,er,1,1,2,2,1,2,1,2,er,er,2,2,1,2,er,er,er,er,2,2,1,2,1,2,er,er,2,2,1,2][(T>>12)%32],[er,er,1,1,2,2,1,2,1,2,er,er,2,2,1,2,er,er,er,er,2,2,1,2,1,2,er,er,2,2,1,2][(T>>12)%32]][(T>>17)%2]>0),-T>>[2,2,2,2,2,2,1,2,1,2,2,2,2,2,1,2,2,2,2,2,2,2,1,2,1,2,2,2,2,2,1,2,/**/2,2,2,2,2,2,1,2,1,2,2,2,2,2,1,2,2,2,2,2,2,2,1,2,1,2,2,2,2,2,1,2][(T>>12)%64]),AB=ABsnarehi(T)/2+kick(T)/2,snare=T=>fd((sin(t>>3)*t&255)/256,-T>>2)*'0010'[(T>>13)%4],HB1=T=>btf((hB(T)^hB(T)*1.5^hB(T)*3.5)%256),HB2=T=>btf(((hB(T)*1.25^hB(T)/16*3*1.25)-hB(T)*1.015625+1|hB(T))%256),HB=T=>(HB1(T)/2+HB2(T)/2),[
B(T)/2-(kick(T)-kick(T+T/524288*4)*(1-min(T/524288,1))),
B(T)/2+(kick(T)-kick(T+T/524288*4)*(1-min(T/524288,1)))+snare(T),
B2(T)+HA(T)/4,
B2(T)+HA(T)/4+kick(T)+snare(T),
B3(T)+AB/32+HA1(T)/2-kick(T)*2,

B3(T)*!!(T&8192)+kick(T&16383^15)*4*!(T&8192)+B(T),
HB(T)/2+(B3(T)/2-B(T)/2)-kick(T)+snare(T)*2,
B(T)+HB(T^T<<1)+AB/16-kick(T^15)*40,
B(T)+HB(T^T>>1)+kick(T&131071^15)*40-kick(T&131071^15^49152)*40-snare(T)-AB/32,
HB(T^T>>1)/2+kick(T)-B2(T)*2-AB/16,
kick(T)+B3(T)/2+ABsnarehi((T|4095)-40)/128+snare(T),
HB(T^T>>1)/2+B3(T)/2+kick(T)*40-kick

magik=2**(1/12),p=.95*2,BPM=156,sr=24000,T=t/sr*4096/15*BPM,an=(v,b)=>v<0?(b-abs(v%b)):v%b,h=T=>((((t*p*magik**(an(an(T>>12&63^(T>>12&63)-5,15)-(T>>17&2),15)/7*12+.24|0)&255)-128)*max(min(~T>>4&255,max(~T>>11&255,128)),~T>>4&255)*(T>>12&127)>>13&255)&255),b=T=>t*p*magik**((bt=[0,0,0,0,-4,-4,-2,-5][T>>16&7])+[[0,5,7],[0,5,12],[0,5,7],[0,5,12],[0,9,11],[0,9,16],[0,7,9],[0,10,17]][T>>16&7][(T>>13&7)%3])/3*2,b2=T=>t*p*magik**([0,0,0,0,-4,-4,-2,-5][T>>16&7])/3*2,h2=T=>t*p*(magik**([(b(T),bt),(b(T),bt),(b(T),bt),(b(T),bt),7,(b(T),bt),6,5,NaN,T>>17&1?[12,7][T>>12&1]:5,5,7,3,T>>10&2,2,3][T>>13&15])*(~(T>>11+int('1011011010111111'[T>>13&15])&~T>>15)&1)/3*4)|0,H3A=T=>t*p*16/3*magik**[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,3,3,3,3,3,5,5,2,2,2,2,-2,-2,-2,-2,7,7,7,7,7,7,5,5,5,5,5,5,3,3,3,3,10,10,10,10,10,10,2,2,2,2,2,2,3,3,3,3][T>>13&63]^0,H3B=T=>t*p*4*magik**[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,5,5,5,5,5,5,7,7,3,3,3,3,-2,-2,-2,-2,8,8,8,8,8,8,7,7,7,7,7,7,3,3,3,3,12,12,12,12,12,12,4,4,4,4,4,4,3,3,3,3][T>>13&63]^0,h3wf=T=>sin(T/128*PI+atan(cos(T/64*PI))*sin((T>>6)*PI/4)*3)*33,h3a=T=>h3wf(H3A(T)),h3b=T=>h3wf(H3B(T)),h3=T=>h3a(T)/2+h3b(T)/2,kick=T=>128-abs((3e5/(T&(2**14/[2,4,1,15,4,2,4,17,1,2,4,15,1,8>>(T>>11&2),8>>(T>>11&2),t*p&T>>4&31][T>>13&15])-1)&255)-128)*2,kick2=T=>sin(5*cbrt(T&(2**12/[1,,H=t*p&2,,S=(~T>>19&4?2**12:sin(t>>5)),,H,1,1,,S,,2,2,1,H,1,,H,,S,,H,,1,1,2+H*(T>>17&1),1,2+H*(T>>17&1),1,t/3*4&42,t/3*4&55][T>>12&31])-1))*(T>>19&6)*500,!(t&1023)?(()=>{throw "ChrisRM_380 - tin tin xoltus - hexidian raids\nT=" + (T^0) + " thrown: this is inspired by \"ImperfectNORE - PHOENIX (MASTERED)\"\n________________________________________________________________________"})():min(max((((b(T)^b(T)*2)%256/2+(b2(T)/2%256*(T>>12&127)>>5^b2(T)/2)%256*!!(T>>19&7)+h(T)/2)-((((h2(T)*2&255)-128)*(~(T>>5+int('1011011010111111'[T>>13&15]))&127)*((T>>11&255)*2+256)>>14&255)-128)*!!(T>>19&3)+h3(T)*7*!!(T>>19&2)+kick(T)*!!(T>>19&12)-kick2(T)*((T>>19&15)>=2))/2+(hihatPrepare=T=>(random()-.5)*(1-T/4096%1)*128*(2-abs(((T/131072+2)%4)-2))*(T>>18&1))(T),0),255)

t?0:v=Array(r=48e3).fill(0),f=floor,s=f(t/12e3),m=sin(t/((25+f(t/192e3)%4)-s%16))+v.shift(),b=sin((s%4?1e2:1e4)/(t%12e3)),n=!(f(t/6e3)%2)*(random()*((t/48e3%1)-1))/2,v.push(m/3),(m+b+(f(t/r)%2)*n)/3

sin(t/([25,25,22,23][0|t/48e3%4]-(0|t/12e3%2)))*(t/6e3%1-1)-sin(t/1e5)/1.5-1

#include<stdio.h>
#include<stdlib.h>
#include<math.h>

#define r 48000

//Set output length (in seconds) here!
#define time_seconds 30

int main(){
  double t;
  double out;
  double a[r]={0};

  FILE *f = fopen("bb.raw","wb");

  while(t<(r*time_seconds)){
    out=sin(t/(25-floor(fmod(t/12000,16))))/3+a[(int)fmod(t,r)];
    a[(int)fmod(t,r)]=out/1.4;
    fwrite(&out,sizeof(double),1,f);
    t++;
  }
  fclose(f);
  return 0;
}

return (t,s)=>(t*=s,t*(42&t>>10)&255)/128-1

return t=>(t*=8E3,t*(42&t>>10)&255)/128-1

return (t,s)=>(t*=s,t*(4|t>>13&3)>>(~t>>11&1)&128|t*(t>>11&t>>13)*(~t>>9&3)&127)/128-1

t/=48E3,s=s=>2**(('023578'[s%7|0]||10)/12+(s/7|0)+7.5),o=(t,b)=>(O=[O=t>12&&sin(b*200)/4+(t*s('0035'[t/3&3])/4%1>t/3%1)/4*b||0,O],(T=>{for(i=0;i<9;i++)(N=t-3/8*i)<0||(n=N*s(N%3*4-(N/3&2)+7),O[i%2]+=N<132&&T(n+N%3/9*T(n/((N/3&3)+1)))*(1-N*4%1)/3*.6**i)})(t=>abs(t%1*4-2)-1),O),t>127?o(t+4):o(t>48?(a=t%1,x=t*2&7,(t/4|0)*3+(t>96?(t&3)+a-(x>3):[a,(t&3)+[a%(1/12),(a-1)**2,a,a-.5,a*3/2,a*2/3,a-1,a-1][x],[a*3/2,a,a*3/2,(a-1)**2,a,a-.5,a*2/3,a*2/4][x]][t/16-3|0])):t,t<24||(t*(t/8-13|0?2:1)%1)**.4)

(t>>9&6?0:9001/(t%4096)-t/9&8?-1:0)^t>>4&t*(3&t/(1+(t>>14)%8)^t>>(t>>9&8?19:20)*(t>>11))

t?0:z1=[],callCount=0,lpf=lowPassFilter=(a,c)=>(call=callCount++,z1[call]??=0,z1[call]+=(a-z1[call])*c),hpf=highPassFilter=(a,c)=>a-lpf(a,c),pitches={st:1,downtones:4.8},pn=(x,a)=>2**((parseInt(x[a],36)+pitches.st)/12)/pitches.downtones,a=t=>t<0?0:hpf((((t*pn("0CV0COHJ8OMQAMTY",t>>13&15)&127)+32&128)-64)*abs(t/1048576%1-.5)**(t/8192%1),.005),s=(()=>{let s=0;for(let i=0;i<50;i++){s+=a(t-i*12288)/(abs(t/1048576%2-1)+1.25)**i}return s})()/256+(t/128*pn("000000008888AAAA",t>>13&15)&1)/4*"1001001010"[t>>13&7],lpf(s,min(t/1048576,1));

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

this is part 2/2.

song chooser:
sr=44100,t||(oldt=0,realt=0,olddiff=0,song=0),songNames=["42 melody","sierpenski harmony","street surfer"],songCode=[(t)=>(t*(42&t>>10)),(t)=>(t&t>>8),(t)=>(t&4096?t/2*(t^t%255)|t>>5:t/8|(t&8192?4*t:t))],difference=t-oldt,oldt=t,difference,realt++,sign(difference)!=sign(olddiff)?(song+=sign(difference),realt=0):difference/olddiff==2?(song+=sign(difference),realt=0):0,olddiff=difference,song=min(songCode.length-1,max(0,song)),realt%1024?songCode[song](floor(realt*8000/sr)):(()=>{throw songNames.map((a,b)=>((b==song?"\n>\xa0":"\n\xa0\xa0")+a)).join("")})()

from original: "detect your samplerate [link to "unnamed, for song chooser (detect your samplerate)"], then put it into sr and the sample rate part (important! it will not work otherwise)

use the play buttons to select the song"
released january 1, 2024. bytebeat, 44100hz.
remix of (just includes) stephanshi's minification of a beat by skurk & raer, erroneously referred to as "street surfer". original skurk beat at https://www.pouet.net/topic.php?post=388479 , raer's modification at https://www.pouet.net/topic.php?post=388494 , and stephanshi's minification at https://dollchan.net/bytebeat

unnamed, for song chooser (detect your samplerate):
sr=100000,
t||(realt=0),realt++,(()=>{throw floor(sr*realt/t)})()

released january 1, 2024. bytebeat, 100000hz.
original.

uwa!!:
old version: sr=48000,tempo=280,
t?0:(R=new Array(RL=floor(sr*0.3)),RI=0,N1={N:0,D:0,L:0,wave:(p)=>(4*((p%1)-(p%0.5))-1),l:0.1,d:.4},N2={N:0,D:0,L:0,wave:(p)=>(4*((p%1)-(p%0.5))-1),l:.05,d:.5},D={N:0,D:0,L:0,wave:random,l:0,d:.1,p:1}),nl=(sr*60)/tempo,ni=floor(t/nl)%32,pt=floor(t/(nl*32)),n1=[22,,20,22,15,,13,15,10,,8,10,5,,,,8,,6,8,13,,,,8,,6,8,16,,,],n2=!(pt&1)?[-4,,-2,,0,,,,-4,,-2,,0,,,,-5,,-3,,-1,,,,-7,,-5,,-3]:[-4,,-2,,0,,,,-4,,-2,,0,,,,-3,,-1,,1,,,,-7,,-5,,-3],DA={l:.05,d:.1},DB={l:.2,d:.1},DC={l:.4,d:.04},d=[DA,,DC,DA,DB,,,DC,DA,,DC,DA,DB,,,,DA,,DC,DA,DB,,,DC,DA,,DC,DA,DB,,,,DA],U=(N,n)=>(floor(t%nl)==0?(N.p?(N.l=n[ni]?.l||N.l,N.d=n[ni]?.d||N.d):(N.N=2**(n[ni]/12)||N.N),N.D=typeof n[ni]=="undefined"?N.D:sr*N.d):(N.D--)),P=(N)=>(l=N.l**(sr/48000),N.L=(1-l)*N.L+l*N.wave(t*(440/sr)*N.N)*max(0.,N.D/sr/N.d)),U(N1,pt<4?n1:pt<6?[]:pt<8?n1:[]),U(N2,pt<8?n2:[]),U(D,pt<4?[]:pt<8?d:[]),RI=++RI%RL,R[RI]=0.3*(R[RI]||0)+P(N1)*.4+P(N2)*.2+P(D)*.9

new version: sr=48000,tempo=280,
t?0:(R=new Array(RL=floor(sr*0.3)),RI=0,N1={N:0,D:0,L:0,wave:(p)=>(4*((p%1)-(p%0.5))-1),l:0.1,d:.4},N2={N:0,D:0,L:0,wave:(p)=>(4*((p%1)-(p%0.5))-1),l:.05,d:.5},D={N:0,D:0,L:0,wave:(()=>(random()-0.5)),l:0,d:.1,p:1}),nl=(sr*60)/tempo,ni=floor(t/nl)%32,pt=floor(t/(nl*32)),n1=[22,,20,22,15,,13,15,10,,8,10,3,,,,8,,6,8,13,,,,8,,6,8,16,,,],n2=!(pt&1)?[-13,,-9,,-2,,,,-13,,-9,,-2,,,,-15,,-11,,-4,,,,-15,,-11,,-7]:[-13,,-9,,-2,,,,-13,,-9,,-2,,,,-10,,-6,,1,,,,-10,,-6,,-3],DA={l:.05,d:.1},DB={l:.2,d:.1},DC={l:.4,d:.04},d=[DA,,DC,DA,DB,,DC,DA,,,DC,DA,DB,,,,DA,,DC,DA,DB,,DC,DA,,,DC,DA,DB,,,,DA],U=(N,n)=>(floor(t%nl)==0?(N.p?(N.l=n[ni]?.l||N.l,N.d=n[ni]?.d||N.d):(N.N=2**(n[ni]/12)||N.N),N.D=typeof n[ni]=="undefined"?N.D:sr