Procedurally Generated Music - Part 1: Song Seeding

The Maybe Melodies tutorial song uses randomness to drive most of its music. I figure out how to replace this with procedural generation so different seed numbers create different versions of the song, but using the same seed always plays the same song.

0:00 - Intro
0:50 - MaYbe Melodies Tutorial Song
1:45 - Procedural Generation
3:31 - The Stepper's Repeatable Sequences
4:02 - From Completely Random To Controllably So
8:29 - Dealing With Different Probabilities
10:14 - Retrigger Issues
11:18 - Emulating Y00 Note Selection
12:41 - Multiple Note Selections In Multiple Phrases
14:24 - Seeding The Song