1. Get the right trumpet: You'll need a Bb trumpet to play reveille.
2. Learn the notes: The notes for reveille are:
```
G E-C D-E G
```
3. Play the notes: Start by playing the first note, G. Hold it for one beat. Then, play the next note, E, and hold it for half a beat. Next, play the C, holding it for one beat. Then, play the D, and hold it for half a beat. Finally, play the E, holding it for one beat.
4. Repeat the pattern: Play the notes in this pattern over and over again until you have played the entire reveille.
Here's a more detailed breakdown of the notes and rhythm:
```
G (1 beat)
E (1/2 beat)
C (1 beat)
D (1/2 beat)
E (1 beat)
Repeat
G (1 beat)
F# (1/2 beat)
E (1 beat)
D (1 beat)
C (1 beat)
Repeat
E (1/2 beat)
D (1 beat)
C (1 beat)
B (1 beat)
A (1 beat)
```
5. Add embellishments: You can add embellishments to your reveille by playing notes above and below the melody line. For example, you could play the following embellishments:
```
G, A, G, E
E, D, E, C
C, B, C, D
E, D, C, B
A, G, A, E
```
6. Practice: The best way to learn to play reveille on a trumpet is to practice regularly. Try to practice for at least 15 minutes each day. The more you practice, the better you will become at playing this military call.
With a little practice, you'll be playing reveille on your trumpet like a pro!