Recently I found out that I am very party unfriendly guitarist, cuz there was a party and when the people wanted me to play somethin I couldn't because I haven't bothered to learn new songs since ages(as I am involved right now only with my own stuff) and I have forgotten all the metalica's and gn'r's evergreens I used to play 5 years ago. And I was too stoned to think of some improv. So I decided to learn a bunch of songs which will make me not look like a piece of wood in such a situation. So what are according to you some good repertoire of "The party-friendly guitarist"? Also remember that these songs should be easy enough so that you can playthem when you are stoned.

Some songs that I think will work in most situations where the age of the public is around 15-25

Under the bridge(or any of the Chilie's ballads)
All the small things(Blink )
Should I stay or should I go (The Clash)
Knockin on heaven's door (Gn'R version)
About a Girl(Nirvana)
Balck Hole Sun(Soundgarden)