do ("Create Sound from formula..." , "s1" , 1,  0, 1.0 , 44100,  "0.5 * sin(2*pi*440*x)" )
do ("Create Sound from formula..." , "s2" , 1 , 0, 1.0 , 44100,  "0.5*0.5*sin(2*pi*440*x )" )
do ("Create Sound from formula...", "sine", 1, 0.0, 1.0, 44100, "1/2 * sin(2*pi*377*x)")