My humble opinion for guitar players;

- Beginner Songs :
The Get Up Kids - Out Of Reach
Spanish Romance - Romanza
The Honorary Title - Far More
Silverchair - Ana's Song
Cake - I Will Survive

- Party Songs :
Blink 182 - All the small things
OAG - 60's TV
Butterfingers - Girl Friday
Green Day - Basket Case
Foo Fighters - My Hero
Nirvana - Smells Like Teen Spirit
Puddle of Mud - She Hates Me

- Must-learn Songs :
Jim Hendrix - Little Wings
Pearl Jam - Yellow Ledbetter
Led Zeppelin - Stairway To Heaven
Metallica - Master of Puppets
Extreme - More than words
Chuck Berry - Johnny B Goode
The Goo Goo Dolls - Iris