Robert “Rob” Haigh, also known as Omni Trio, is a British electronic, ambient and experimental musician.

Omni hit the underground scene during the mid-‘90s to early 2000s frequently getting plays with fellow Moving Shadow signees.

Rockstar Games have collaborated with Omni Trio many times gaining Omni Trio’s fame amongst his pairs. Rockstar used his instrumentals on there in-game Drum and Base radio stations MSX FM & MSX 98 in Grand Theft Auto 3 & Grand Theft Auto: Liberty City Stories respectively.