Roger is rated by music critics as one of the most exciting percussionists in the business. He has provided the rhythmic beat for such greats as Ray Charles, Horace Silver, Richard "Groove" Holmes, Stanley Turrentine, James Moody, and the list of great musicians goes on and on and on.

With various groups, Roger Humphries has performed at Carnegie Music Hall, the Village Gate and the Apollo Theatre in New York. He has also played at the Bohemian Caverns and Shelly Manne's Manhole in Los Angeles; the Penthouse in Seattle, Wash.; Pep's Lounge and Showboat, Philadelphia; the Jazz Workshop, Boston; Ronny Scott's in London, and many other places. One of the most fascinating aspects of Roger's life is the number of extremely talented musicians he has had the opportunity to perform with. He has played with such well known jazz artists as: Lee Morgan, Grant Green, Billy Taylor, Bill Doggett, Benny Green, Richard "Groove" Holmes, Lionel Hampton, Coleman Hawkins, Clark Terry, J.J. Johnson, Billy Preston, Joe Henderson, Freddie Hubbard, Dizzy Gillespie, Jack McDuff, Gene Harris, George Harris, George Benson, John Faddis, Slide Hampton, Johnny Griffin, Herbie Mann, Randy Brecker, Joe Williams, Milt Jackson and Jimmy Witherspoon. In Pittsburgh, Roger has performed with Nathan Davis, Frank Cunimondo, Pete Henderson, Dwayne Dolphin, and all the other local greats too numerous to mention. Finally, we cannot forget his steady work with Horace Silver, Ray Charles, Stanley Turrentine and Shirley Scott. Even those with little knowledge of jazz can see the tremendous accomplishments of the musically boundless Humphries.

After playing with various groups around the country, ace drummer Roger Humphries decided to organize his own group in 1972 which he calls R H Factor and in 1996 he assembled Roger Humphries' Big Band.