Yamaha PSR-E323

The Yamaha PSR-E323 is a 61-key portable keyboard designed for beginners and hobbyists. It has been used by many musicians, including John Legend, who used it to compose his hit song "All of Me".

The PSR-E323 has a range of features, including a built-in sequencer, a variety of voices and styles, and a range of effects. It also has a built-in metronome and a range of accompaniment styles. The keyboard also has a range of connectivity options, including MIDI and USB ports.