A founding member, writer, vocalist, guitarist of the folk-rooted, alternative rock band, The Horse Flies, Jeff has toured extensively in the U.S., Canada, and Europe; recorded 10 albums, with releases on MCA and Rounder Records, and, with wife and partner, Judy Hyman, has scored four feature films (Where the Rivers Flow North, A Stranger in the Kingdom, The Year that Trembled, and Disappearances), and a number of nationally broadcast documentaries (e.g., the award winning, Through Deaf Eyes, and Drawn By Nature: The Life of John James Audubon). The Horse Flies have been featured on MTV, Prairie Home Companion, All Things Considered, World Cafe, and Mountain Stage and have been written about in Rolling Stone, Musician Magazine, The New York Times, The Los Angeles Times, The Boston Globe, The Guardian, and other major publications. One of Claus' songs, "Sally Ann," is the lead cut on Natalie Merchant's CD, The House Carpenter's Daughter, and is included on Merchant's CD, Retrospective. This song was performed by Merchant and band (inlcuding Judy of Boy with a Fish) on the David Letterman show in August of 2004. Another Claus song, "I Live Where It's Gray," has been used on MTV by Rock the Vote, and Fiery Furnaces have covered a Claus adaptation of "Rub Alcohol Blues" on a recent CD. In addition, some of Claus' film music has been used by Oliver Stone in his film, Any Given Sunday, and Claus was featured in an article in Acoustic Guitar, October, 2000.