There are many ways to build this traditional African instrument. Here’s the Bash the Trash way:
MUSICAL INSTRUMENT BUILDING - THE PROCEDURE!
Finger Pianos, like strings, need a resonating body (like a box) to get the best sound. Without it, your instrument makes tiny plinking sounds. But put it on a big corrugated cardboard box, or a big chunk of styrofoam, and suddenly your instrument is making big beautiful sounds!