Answer:
If you consider the wake up call a military song, then here it is. The wake up call is usually played on the Bugle, but can easily be played on the trumpet using no valves, only lip movement. Here are the notes (you should know the rythym):
G C E C G G C E C G G C E C G C E C
(REPAEAT)
E E E E E G E C E C G G C
(REAPEAT)
*{repeat all; optional}*