Body M - The Napa High School Band Boosters is a non-profit 501c3 organization that supports the instrumental music programs at Napa High (NHS I.M.). The instrumental music programs include the orchestra, marching band, Jazz Band and Guitar. The parents and guardians of NHS I.M. students are automatic members of the Booster Club. Relatives, friends, alumni and community supporters are also welcome to join The Boosters.