I do not know anything about music, the idea is to show that with XOD there are no limits, only imagination
melody.xodball (31.5 KB)
Needless to say, the buzzer does not go directly to the port
First try nth, but it is an octopus consumes resources. 
Then I modified some nodes and made new ones.
@nkrkv this was the solution nkrkv/text 
To add more notes, I have to make some changes, step 2, substring 2, etc. update here cesars/melody