Now the piston and the sticky piston are tough since the piston and the sticky piston have 2 parts, the head part which made out of wood so it should make the bass sound, and the other part which made out of stone so it should make the basedrum sound. And the piston head block should make bass sound since it makes out of wood.

Step 1: Place piston and sticky piston
Step 2: Place note block on top of the pistons
Step 3: Press F3 to check the note blocks -> Harp
Step 4: Power the pistons
Step 5: Press F3 to check the note blocks again -> Still harp