er..
it's really a question of what the 20 guitar tunes are that you think display a level of infectiousness and involuntary toe tappingyness and/or saying to your self in hushed tones "f**king hell" to warrant them being awesome enough for you to think " I wish i sounded like that"
Hole in the sky (Sabbath)
sweet emotion (Areosmith)
See the signs (Cromags)
Jailbreak (ACDC)
Rosalie (Lizzy)
Dark night (The Blasters)
Mother (live version is epic) (Danzig)
anything by Floyd
Miserlou (Dick dale)
Roadhouse Blues (The Doors)
Get it on (Marc Bolan)
Little Wing (Hendrix)
Eastbound and down (go on, chicken pick that, dare you) (Jerry Reed)
Rubinas blue sky happiness (Satriani)
Don't Stop Believing (cheesy? yes, but the picked hook right after steve perrys intro is incredible guitarmanship)
Freebird (all of it, yes, including the solo)
Another Invented Disease (In fact anything off Generation terrorists) (Manics)
Play that funky music (Wild Cherry)
hundred mile high city (Ocean Colour Scene)
hanger 18 (Megadeth)