The One O'Clock Lab Band is the premiere jazz ensemble of the University of North Texas' College of Music. Known colloquially as "The One O'Clock" or simply "The One," the band derives its name from its rehearsal time of 1:00 to 1:50 p.m., Monday through Thursday. Its big band -style instrumentation includes five saxophones, five trumpets, five trombones, guitar, piano, bass, drumset, and sometimes additional instrumentalists, vocalists, and/or guest soloists. Read more on Last.fm