The St. Mary’s College of Maryland Jazz Combo and Jazz Band’s fall concert commemorates 40 years of jazz at the college. Featuring the music of George Gershwin, Chick Corea, John Lewis, and college alumnae John Plante, it will begin at 8 p.m. Friday, Dec. 2, in Auerbach Auditorium of St. Mary’s Hall. Special guest artists include Sandy Mahoney and Rick Humphreys, former director of the jazz band.