The Roland MV-8800 is a professional production studio and sampler workstation. It was released in 2003 and has been used by many professional producers and musicians, including Dr. Dre, Timbaland, and Kanye West. The MV-8800 is a powerful and versatile tool for creating music, allowing users to record, sequence, and mix audio and MIDI tracks. It features a built-in sampler, a 16-track sequencer, a 16-track mixer, and a variety of effects and sound-shaping tools. It also has a built-in USB port for connecting to a computer, allowing users to transfer audio and MIDI data. The MV-8800 is a great choice for anyone looking for a powerful and versatile production studio.