Interesting mix of music here, but I did not expect any thing less Three tunes is VERY hard...so I will just go with what has been in my head as of late:

"Everything Shines" - The Pushstars
"Crimson and Clover" - Boy Meets World
"Boys of Summer" - The Ataris (something about adding distortion to a Don Henley song tickles me so)

If I were to go with all time "classic" songs that mean something to me I would have to say...

"Crazy Train" - Ozzy, live version (Rhandy is godly, can only imagine what he would have become if he lived today)
"Cliffs of Dover" - Eric Johnson (warmest tone I have ever heard from a strat)
"Ten Years Gone" - Led Zeppelin (the guitar arrangements are sick, Page was seriously on something because NO SANE PERSON would consciously arrange this)

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"And as we all play parts of tomorrow, some ways will work and other ways we'll play. And I know we can't all stay here forever, so I'll write, my words on the face of today...and then they'll paint it" - Shannon Hoon