mp3 Backing Track (courtesy of Stephane Wrembel). The first three notes of the trumpet melody (B, Bb, B) are pickup notes, and they're played before the entrance of the rhythm section.
It's fast. To slow it down, use Audacity. See how to slow a tune down using Audacity here.
But for now, because I'm nice, here are a four slower versions. You should learn how to do it. It's really easy with Audacity. Took me less than 3 minutes to do these four examples: 90% speed 80% 70% 50%