There are 2 bands under the name LFO.

1) English band LFO were one of the pioneers of the harsh techno of the early 1990s. Originally comprising Gez Varley (also known as Jez Varley) and Mark Bell, they met while studying at Leeds and gave their first track, the eponymous “LFO”, to Nightmares On Wax. The demo’s popularity in clubs lead to the track being released by Warp in 1990, where it made it into the Top Twenty. The name “LFO” comes from the term low frequency oscillator, a component used to alter sounds in synthesizers, samplers etc.

Gez Varley left the duo in 1996, and continues to have a solo career. Mark Bell continues to record under his own name and that of LFO, as well as producing albums for Björk and Depeche Mode.

LFO’s album ’Frequencies’ (containing the previously mentioned “LFO” and its follow-up single, “We Are Back”) was a popular album for Warp Records and undoubtedly helped establish them as a successful global independent electronic label, along with label-mates Nightmares On Wax and Sweet Exorcist. It was originally released with a warning sticker stating that the record company was not responsible for the potential damage to speakers due to the the extremely loud, low frequency bass signals contained within the music.

‘Frequencies’ was followed by the less commercially successful ’Advance’ and, in 2003, by ’Sheath’ which saw a return to the earlier minimal techno sound of LFO’s debut.

2) Lyte Funky Ones (LFO) was an American "boy band" pop group consisting of Rich Cronin, Devin Lima (born Harold Lima), and Brad Fischetti. Before Devin Lima joined the group in 1999, the third member was Brian Gillis, known as “Brizz”, who was with the group from its start in 1995. Rich Cronin was diagnosed with Leukemia in 2005. He founded The Rich Cronin Hope Foundation. Cronin lost his battle on September 9th 2010.

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