Do you have music software? (I use Noteworthy Composer, only $50.)

If you do, then you might like the music on the remarkable 'ingeb' site. Under Italian, there are three songs that start with 'Marcia' and are probably marches. Or you could find some other likely tune there and play it like a march.

Could 'Finiculi Finicula' be played as a march?

http://ingeb.org/catitl.html