Yamaha PSR-3500

The Yamaha PSR-3500 is a professional-level 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-3500 features a 61-key velocity-sensitive keyboard, a built-in sequencer, and a variety of sound-generating capabilities. It also has a wide range of effects, including reverb, chorus, and delay. Additionally, the PSR-3500 has a built-in arpeggiator, a pitch-bend wheel, and a variety of real-time controllers.