A lifetime veteran of drum and bugle corps and other musical activities, Mason marched in the 1975 World Champion Madison Scouts, became director of the Colts, and then directed the Star of Indiana to the World Championship title in 1991. Mason has been the creative driving force behind Star of Indiana/Blast Inc. since its founding in the fall of 1984 and served as its President/Executive Director and Program Coordinator.

In 1994 Jim created Brass Theater which featured The Canadian Brass with appearances at the Lincoln Center, Hollywood Bowl and Tanglewood. Mason has produced and created entertainment for Disney's Epcot Center and California Adventure theme parks along with the NBA All Star Game, US Open Tennis Championship and countless other sporting and corporate events.

His company, Mason Entertainment Group (MEG) has been responsible for the creation of the theatrical productions BLAST! (Tony¨, Emmy¨ award winners), Shockwave, Cyberjam and M.I.X. (music in x-treme). Jim is the recipient of the 2001 Tony Award for Best Theatrical Event (BLAST!) and nominee for two 2002 National Broadway Theatre Awards - Best Director (BLAST!) and for Best Musical (BLAST!).