Matt Abts and Warren Haynes lost their brother and musical partner but continued on with the release of the "Deep End" I & II, and the "Deepest End" DVD, as a tribute to Allen featuring over 20 of the biggest names in bass players ever assembled (including John Entwistle, Jack Bruce, Larry Graham, Alphonso Johnson, and Flea) on two records and a DVD film recording of an historic live show in New Orleans 2003. GM was nominated for a Grammy for "Sco Mule", which was on "Deep End" I.
In 2004, with keyboard player Danny Louis and bass player Andy Hess already in the new line up, GM releases "Deja Voodoo" and continues touring in support of, nationally and abroad through 2005.
Time away from Gov't Mule allows for recording and live performances in many different formats. "X2" and "Deep Fried", (both bands include Johnny Neel, and in DF, members George Porter Jr. and Brian Stoltz), and Hook Herrera have remained active in the past year.