Yamaha PSR-S650

The Yamaha PSR-S650 is a digital keyboard and workstation designed for use by professional and amateur musicians alike. It is a 61-key instrument with a wide range of features, including a built-in sequencer, a variety of voices and styles, and a powerful sound engine. It has been used by a variety of artists, including John Legend, Alicia Keys, and Bruno Mars.

The PSR-S650 works by allowing the user to select from a variety of voices and styles, and then layer them together to create a unique sound. It also has a built-in sequencer, which allows the user to record and playback their own compositions. Additionally, the instrument has a variety of effects, such as reverb, chorus, and delay, which can be used to further customize the sound. Finally, the instrument has a variety of connectivity options, including USB, MIDI, and audio outputs, allowing the user to connect to other instruments and devices.