The Waldorf Zarenbourg is a digital synthesizer and workstation created by the German company Waldorf Music. It is a powerful instrument that combines the classic sounds of vintage analog synthesizers with modern digital technology. It features a 61-note semi-weighted keyboard, a 16-track sequencer, and a variety of effects and sound-shaping tools. The Zarenbourg also has a built-in arpeggiator, a vocoder, and a wide range of sound-generating options.