[2] He attended Fisk University, and while still a student there, at the age of 18, he began playing professionally with pianists Bob Holmes, Ernest Vantrease, and trumpeter Louis Smith.
Between 1977 and 1979 Betsch joined Abdullah Ibrahim's ensemble, and from 1980 to 1982 he was with Archie Shepp's band that featured Hilton Ruiz, piano, Santi Debriano, bass and Roger Dawson, congas and percussion.
In 1983 he recorded with Roger Dawson's septet featuring Hilton Ruiz, reedman John Purcell, trumpeter Claudio Roditi, bassist Anthony Cox and multi-percussionist Milton Cardona.
He has done other recordings with Thomas Chapin, Marilyn Crispell, Klaus König, Billy Bang, Sathima Bea Benjamin, Uli Lenz and Simon Nabatov.
With Billy Bang With Marilyn Crispell With Abdullah Ibrahim With Steve Lacy With Uli Lenz With David Murray With Simon Nabatov With Jim Pepper With Roswell Rudd With Henry Threadgill With Mal Waldron With Marty Cook