Lyric discussion by vabene 

yes the trumpet solo it is Taps, note by note. but for me there is another association: the sound of hunting horns which fits perfectly to "cause we're coming for you!".

if you want a bit of musical theory (wikipedia):

"The melody of "Taps" is composed entirely from the written notes of the C major triad (i.e. C, E, and G, with the G used in the lower and higher octaves). This is because the bugle, for which it is written, can play only the notes of the harmonic series; "Taps" uses the 3rd, 4th, 5th and 6th members of this series."

Which is the case with traditional hunting horns, too. Like this: youtu.be/0PZYITcd-ms So maybe it's not about the exact meaning of "Taps" but just the idea of galloping troups or hunters and being chased.

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