Yamaha PSR-7

Yamaha PSR-7 is a portable keyboard synthesizer released by Yamaha in the late 1980s. It was used by many professional musicians, including Herbie Hancock, Chick Corea, and George Duke. The PSR-7 features a 61-key keyboard, a built-in sequencer, and a variety of sounds and effects. It also has a built-in rhythm machine and a pitch-bend wheel. The PSR-7 is capable of producing a wide range of sounds, from acoustic instruments to synthesizers. It also has a built-in arpeggiator and a variety of effects, including reverb, chorus, and delay.