MusicCraftA beautiful and magnificent mod that lets you play music in your MusicCraft Minecraft world by adding functional instruments that are not just aesthetically-pleasing, but are truly pleasant to the ears as well!
With a wide range of instruments to choose from, simply stand in front of each of these instruments, left-click them, and this will take you to a screen which feature keys for every playable note for that instrument.
You can either click the notes individually or turn on keyboard controls and play using the letters/numbers on your keyboard.
Source:
https://www.minecraftmods.com/musiccraft-mod/