Roland EXR7

Roland EXR7 is a digital keyboard synthesizer released by Roland in 1998. It is a 61-key keyboard with a built-in sequencer and a variety of sounds and effects. It has been used by many professional musicians, including Herbie Hancock, Chick Corea, and John Legend.

The EXR7 works by combining samples and synthesis to create a wide range of sounds. It has a variety of features, including a built-in sequencer, a variety of effects, and a wide range of sounds. It also has a built-in arpeggiator, which allows users to create complex patterns and rhythms. Additionally, it has a built-in drum machine, which allows users to create their own drum patterns. Finally, it has a variety of connectivity options, including MIDI and USB.