Yamaha QY70

The Yamaha QY70 is a portable music workstation and sequencer released by Yamaha in 1997. It is a small, battery-powered device that allows users to create and edit music on the go. It has a built-in synthesizer, drum machine, and sequencer, as well as a variety of effects and editing tools. It has been used by a variety of musicians, including Aphex Twin, The Prodigy, and The Chemical Brothers.

The QY70 works by allowing users to create and edit music using its built-in sequencer. It has a variety of features, including a 16-track sequencer, a drum machine, a synthesizer, and a variety of effects. It also has a built-in MIDI interface, allowing users to connect it to other MIDI devices. Additionally, it has a built-in memory card slot, allowing users to save their work and transfer it to other devices.