#include "maximilian.h" maxiOsc mySine,myOtherSine;//Two oscillators with names. void setup() {//some inits //nothing to go here this time } void play(double *output) {//this is where the magic happens. Very slow magic. *output=mySine.sinewave(440)+myOtherSine.sinewave(441);//these two sines will beat together. They're now a bit too loud though.. }