n. A band/group/project that is an alternate to the main band that the artist is working with or known for.

Examples: Team Sleep is a side project of Deftones lead singer Chino Moreno.
Head Automatica is a side project of Glassjaw members Larry Gorman and Daryl Palumbo.
A Perfect Circle was a side project of Tool singer Maynard James Keenan
Zakk Wylde launched his own side project out of Ozzy Ozbourne's band, which later became Black Label Society.
Gorillaz was originally a side project for all of its members, Del Tha Funkee Homosapien, Damon of Blur, and Dan The Automator.

The latest incursion of this is Institute featuring Gavin Rossdale of Bush and the former members of Helmet.

1. And today, he announced that his new side project would feature several members of an alternate band.
by Craig B. December 30, 2005
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Getting a little on the side. Cheating on a significant other.
"I've got a girlfriend, but i have a little side project going with Sheila too".
by johnny johncakes February 10, 2008
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Getting a little on the side. Cheating on a significant other.
"I've got a girlfriend, but i have a little side project going with Sheila too".
by johnny johncakes February 10, 2008
Get the side project mug.