GRolf’s guitar playing has earned the praise of Joe Pass, Jim Hall, John Abercrombie, and Bill Frisell. He appears on over 60 CDs. He has performed with or played on recordings that feature: Tony Trischka, Loudon Wainwright, Anthony Braxton, David Johansen, John Medeski, Billy Martin, Glen Velez, Maggie Roche, Jorma Kaukonen, Roswell Rudd, Dave Douglas, Ike Willis, Eddy Arnold, Pablo Aslan, Catherine Russell, Giora Feidman, and members of the Grateful Dead. He is a member of “Tomas Ulrich's Cargo Cult” and he co- leads the NYC trio “Tricycle”. Rolf is also a member of the “Strike Anywhere Performance Ensemble” and the “Walter Thompson Orchestra”.
Rolf has toured the United States, Germany, France, Italy, Belgium, Sweden, Austria, Hungary, Switzerland, the Netherlands, Canada, and the UK, performing at dozens of jazz, jam band/rock, folk, and blues festivals (including the World Expo 2000 in Hanover, Germany, the JVC Jazz Festival, the Boston Folk Festival, the Syracuse Jazz Festival, Ripplefest, Music On The Mountain Festival, and the Toronto Jazz Festival.)