Outside of OU, Britt is active nationally as a clinician, guest conductor, lecturer, adjudicator, percussion arranger, drill designer, and consultant. He has conducted an extensive repertoire of concert band music, including two world premieres, and has produced and recorded several CDs. Britt has presented sessions and served on panel discussions at the National Athletic Band Symposium in 2004 and 2005, and he is the recording secretary of the Big 12 Band Directors Association. His professional associations include the College Band Directors National Association, Oklahoma Music Educators Association, Phi Beta Mu, Pi Kappa Lambda, Kappa Kappa Psi, Phi Mu Alpha Sinfonia, Tau Beta Sigma (honorary), and Kiwanis International.