Even great songs are rendered annoying and monotonous by repeated use and the absence of variety. Why not use different songs depending on the urgency of each particular situation, atmosphere, opponent, etc.?
Some suggestions:
[youtube]http://m.youtube.com/watch?v=rSg4m1hpEFI[/youtube]
[youtube]http://m.youtube.com/watch?v=3lH_Jsi7Y4k[/youtube]
[youtube]http://m.youtube.com/watch?v=thIVtEOtlWM[/youtube]
[youtube]http://m.youtube.com/watch?v=cz_fRjM4iEc[/youtube]
[youtube]http://m.youtube.com/watch?v=LRLdhFVzqt4[/youtube]
[youtube]http://m.youtube.com/watch?v=Gcyyc8owqoM[/youtube]
[youtube]http://m.youtube.com/watch?v=oYWQwymiZCk[/youtube]
[youtube]http://m.youtube.com/watch?v=ElFDlShmOng[/youtube]
[youtube]http://m.youtube.com/watch?v=HofQQhDv0Rg[/youtube]