The black P-121 73-Key Digital Piano from Yamaha is a compact and portable digital piano with built-in speakers that you can take along with you wherever you make music. Featuring 73 weighted GHS-action (Graded Hammer Standard) keys, combined with the sound of the Yamaha CFIIIS concert grand piano, the P-Series 73-key digital piano can be used in small ensembles, jazz trios, in dorm rooms, or for the practice room at home.