Well, here it is, though there isn't much to it. I finally found it in an old songbook. This was something of a theme song for my college singing group, the Ephlats (Williams College).

Bandolero
(no author info)

We are watching and waiting
For ransom or outpost,
Welcome to strangers, a carbine for spies;
Roaming the mountains, we outlaws defiant,
Brave and gallant bandoleros,
We'll conquer or die.

The source is:
"Songs of Yale"
Originally copyright 1903 by Thomas G. Shepard

This edition, compiled and edited by Marshall Bartholomew, Director if the Yale Glee Club, is copyright 1953, by G. Schirmer, Inc., New York

I made a MIDI, which I'll be sending to the Mudcat.