Yamaha PSR-500M

The Yamaha PSR-500M is a digital keyboard synthesizer released in the late 1990s. It was used by many professional musicians, including the likes of Herbie Hancock, Chick Corea, and John McLaughlin. The PSR-500M is a 61-key keyboard with a built-in sequencer, arpeggiator, and a variety of sounds and effects. It also has a built-in MIDI interface, allowing it to be connected to other MIDI devices. The PSR-500M has a variety of features, including a built-in drum machine, a variety of effects, and a wide range of sounds. It also has a built-in mixer, allowing users to mix and match sounds.