I noticed mostly metal...here's some classic rock n roll
Smoke on the water-deep purple
Sweet home alabama-skynyrd
NIB-black sabbath
Start me up-stones
American woman-the guess who
Kentucky fried blues-nazareth
Do you feel like we do-frampton
Barracuda-heart
Heartbreaker-led zep
Pantera- CFH
VH- Unchained
Ratt- Lay it down
Tourniquet- Ark of the Suffering
Dream Theater- Lie
Soilwork-Follow The Hollow, Chainheart Machine
Killswitch Engage- multiple especially from alive just breathing.
Megadeth- Holy wars
so many I can not think of right now I am sure
Thats a good one! I don't play guitar but enjoy a lot of the music mentioned here. It's funny, for some reason Mick Mars' (Motley Crue)riffs always grab me and inspire me to want to learn and play. Looks that kill was mentioned earlier, I love that riff, simple and mean!