Yamaha PSR-80

The Yamaha PSR-80 is a portable electronic keyboard released in the early 1980s. It was popular among amateur and professional musicians alike, and was used by artists such as Michael Jackson, Stevie Wonder, and Herbie Hancock.

The PSR-80 features a 61-key keyboard, a built-in speaker, and a variety of sounds and rhythms. It also has a built-in sequencer, allowing users to record and playback their own compositions. Additionally, the PSR-80 has a range of effects, including reverb, chorus, and vibrato. It also has a built-in metronome and a transpose function, allowing users to easily change the key of a song.