X.T => dur M;
M - (now % M) => now;
M * 4 => dur T;

["220C/pitch/bass/bass1.ck",
"220C/pitch/bass/bass2.ck",
"220C/pitch/bass/bass3.ck",
"220C/pitch/bass/bass_samp1.ck",
"220C/pitch/bass/bass_samp2.ck",
"220C/pitch/bass/bass_samp3.ck",
"220C/pitch/bass/bass_moog.ck"] @=> string arr[];
0 => int A;
0 => int low;
6 => int hi;
//phase affects markov table for removing or replacing bass.
//if in state[1] 
[[.0+.1*X.phase, .9-.1*X.phase, .1],
 [.5-.05*X.phase, 0.5+.05*X.phase, .1],
 [.0, .1, .0]] @=> float table[][];
0 => int state;

while (true)
{
    //state 0- remove bass if there
   if (state == 0)
    {
        if (pitch.bass == 1)
        {4*M=>now;
        Machine.remove ( A );
        0 => pitch.bass;}
        else
        {4*M=>now;}
    }
   //state 1- add bass if not there
    if (state == 1)
    {
        if (pitch.bass == 0)
        {
        Machine.add ( arr[Std.rand2(low,hi)] ) => A;
        1 => pitch.bass;
        4*M=>now;
        }
        else
        {4*M=>now;}
    }
    //state 2 - replace bass with other bass, if there. Else add
    if (state == 2)
    {
        if (pitch.bass == 1)
        {4*M=>now;
        Machine.remove ( A );
        Machine.add ( arr[Std.rand2(low,hi)] ) => A;
        }
        else
        {Machine.add ( arr[Std.rand2(low,hi)] ) => A;
        1 => pitch.bass;
        4*M=>now;
        }
        
    }
    
    //run probability to find whether to add, remove, or change bass
    Std.rand2f( 0, 1 ) => float prob;
    0 => float sum;
    for( int i; i < table[state].size(); i++ )
    {
        table[state][i] +=> sum;
        if( sum > prob )
        {
            i => state;
            break;
        }
    }
    //wait
    
}