Beethoven's Leonore No. 2 (opening Trumpet Call)
This version below is by the great Philip Smith (NY Phil), from his CD: Orchestral Excerpts for Trumpet . It also covers Leonore No. 3, which you can find here.
Rhapsody in Blue (trumpet part starts at 0:56)
Dvořák Symphony No. 9 (The New World), mvmt. 4
Shostakovich Symphony No. 5
Carmen Overture (Bizet)
Mahler Symphony No. 5
WC Handy's St. Louis Blues (played by Louis Armstrong)
Find more versions here, or run a search of your own. Lots of versions out there!
Here are some Gypsy Jazz masters playing the tune.
One of the amazing things about this is that the players all play (and harmonize) Django Reinhardt's originally improvised solo.