I can do:
Easy Alternative
Medium Creedence Clearwater Revival
Medium Megadeth

I need help on:
Pearl Jam's Ten Album Challenge (I have Alive, Even Flow, Black, Jeremy)
The Cars Album Challenge (if there is one on RB1 or RB2, I can help)
Rock Band High School (I have School's Out + New Kid in School)

Can someone help on the bottom three? I can help you on the above three in return. (if needed)