"Well, they're both good ensembles..."

A large number of us from our high school's jazz band were going to have an impromptu rehearsal, outside of school, before a concert.  As he pulled out of the parking lot, the driver asked, as the Beatles tune, "Blackbird," played on the radio, "Would anyone like to hear the tape of the last concert?"  A jazz band member responded, "Hmmm...The greatest group in the history of music or our high school jazz band?  Tough choice..."