Yamaha NP15 PORTABLE KEYBOARDA light, portable piano style keyboard with just the functions you need The 61 key keyboard (a conventional piano has 88 keys) is perfect for playing pop tunes or simple classical pieces. Although the keys have the same box shape as those on a piano, the keyboard has a lighter feel that makes it easy for beginning pianists to start, rather than the weightier feel of a standard piano keyboard. You can also use headphones with the NP 15 if you are