Electronica duo consisting of John Ciafone & Lem Springsteen.As Mood II Swing, production duo Lem Springsteen and John Ciafone became one of the most in-demand remixers in the late '90s. The duo's production career began modestly, however.

After a failed attempt at R&B, the two turned to house music. Early productions such as Sylvano's "Helpless" and Wall of Sound's "Critical" were a step in the right direction, as were releases such as "I Need a Bitch" for Cutting and "Searchin'" for Groove On, but it was the duo's remixes of Ultra Nates "Free" for Strictly Rhythm that struck gold.

The song became a huge hit and soon Mood II Swing was remixing big-name producers like BT ("Remember") and King Britt ("The Reason") as well as the next Ultra Naté single, "Found a Cure," which also became a huge hit record around the world.

Then, as a testament to the duo's success, the New York-based Nervous label dug up some old, forgotten productions by the duo and released them as Mood II Swing's Nervous Tracks.