Rhythm Necklace - Make music with shapes on your phone
Musixmatch - - World’s Largest Lyrics catalog and official
Got Rhythm? - Try to keep the rhythm when the beat fades
Musixmatch 4 Apple Watch - Lyrics on your wirst
Keezy Drummer - Make a beat in seconds
Scope - The PC based Soundcard Oscilloscope receives its data from the Soundcard with 44.