Intro
The original song is written in C, while many military bugles are tuned to B-flat,
and consequently is the version you are likely used to hearing.
There is only a one-tone/wholestep difference between the two, but I have provided
both versions below.
C majorC version:
e|-----8-----8-12-----8-12---8-12---8-12---8-12-15----12-8---------12--------|
BB|--8-8----8--------8------8------8-----------------------8---8-8------------|
G+G|---------------------------------------------------------------------------|
D MajorD|---------------------------------------------------------------------------|
A augmentedA|---------------------------------------------------------------------------|
E MajorE|---------------------------------------------------------------------------|
B-flat/Military Bugle Version:
e|-----6-----6-10-----6-10---6-10---6-10---6-10-13----10-6---------10--------|
BB|--6-6----6--------6------6------6-----------------------6---6-6------------|
G+G|---------------------------------------------------------------------------|
D MajorD|---------------------------------------------------------------------------|
A augmentedA|---------------------------------------------------------------------------|