I made a resource pack that shows the instruments, notes and powered states of note blocks. : r/Minecraft
Noteblock Addon - BDcraft.net
1.20.4]Note Block Tuner Minecraft Texture Pack
fWhip : Bryce on X: "So I found something in #minecraft 1.13 texturepacks.. Noteblocks (crates below) can have a unique texture for every pitch level and instrument (block they are placed on)
Resource Pack] Note-Block Display 3D [1.13 - 1.19] - Minecraft-France
Tutorial | How to use New Note Block features in Minecraft 1.13 - YouTube
Note Block Displays 3D Texture Pack Para Minecraft 1.14/1.13.2 - ZonaCraft