Keyboard-style percussion instruments "BARcussion" is a series of percussion instruments that produce sound just by pressing a key with your finger. Since it can be played with one finger, it is possible for one person to play several BARcussions at the same time. It can be used in many situations, from small acoustic bands, home studio use, music therapy to educational music lessons. . 'Cymbal A' is a finger cymbal with a long-lasting, beautiful sound.