While we're here, if you get into electronic music and want some samples, the Library of Congress's "Citizen DJ" project has multiple gigs of public domain audio you can use:

https://citizen-dj.labs.loc.gov/

I'll also throw in some libre projects to look at:

Sonic Pi

Csound (front-ends include Blue and Cabbage)

Supercollider

Pure Data

LMMS

Mixxx