Yamaha PSR-E213

Yamaha PSR-E213 is a portable keyboard designed for beginners and hobbyists. It is a 61-key keyboard with a range of features including a built-in metronome, a variety of voices and styles, and a USB port for connecting to a computer. It has been used by many musicians, including John Legend, who used it to compose his hit song "All of Me".

The PSR-E213 works by allowing the user to select a voice or style from the keyboard's library and then play along with it. The keyboard also has a range of features such as a built-in metronome, a variety of voices and styles, and a USB port for connecting to a computer. It also has a range of effects such as reverb, chorus, and delay. Additionally, the keyboard has a range of accompaniment styles, which allow the user to play along with a backing track.