[1]
Using one buffer~, record yourself whistling one single steady tone. By creating as many play~ messages as needed, try to reproduce this famous tune by adjusting the parameters of playback duration, and start and end points.
[2]
Create a buffer~ of 3000 ms and set a record~ object to keep recording in it in loop. You will sing a steady note into a microphone and record it into that buffer~. Program two groove~ systems that playback the recorded sound at a different pitch continuously in loop. The groove~ objects should be set as to produce a lower and a higher note than the one you will be singing.
You should be obtaining a system to produce a major triad or minor triad chord.
ps. You might find it useful to use something like the following algorithm to calculate the playback duration in relation to musical intervals:
