Non-Slip Mono Knot
memorizing this is literally how I learned to play actual music on the piano.
Music Transposition Chart
Gregorian Chant modes mini-poster. Getting me one of these.
Jazzophone. Classical Music.
Incredible! You and Jacob playing at the eighth grade graduation!
Piano keys labeled with scientific pitch notation and note frequencies
Major Keys Chord Chart. I'm pinning this just in case, but I'm fairly certain I can do all of that in my head since, you know, I have a music degree.