InventHelp Inventor Develops Smart Karaoke & App System (LOS-612)

PITTSBURGH, May 12, 2026 /PRNewswire/ -- "I wanted to create a fun and easy way for anyone to play a musical instrument during a karaoke performance," said an inventor, from Santa Paula, Calif., "so I invented the B B INSTRUMENTS (KARAOKE). My design would provide a new level of...