The Roland BK-3 is an entry-level 61-key backing keyboard with a host of automatic-accompaniment features, ideal for home enjoyment, education, and solo performance. Packed with 850 instrument sounds, 53 drum sets, over 500 Music Assistants, and 250 rhythm patterns, this keyboard covers musical genres from rock and R&B, to dance, electronic, Latin, and world. And with a 15W speaker system, this portable, self-contained keyboard puts the power of a full ensemble under your fingertips.