Mainly I listen to cypress hill, bob marley or some system of a down when im toking up. Here are other songs I like to play aswell
Peter, paul and mary - Puff the magic dragon(actually quite a sad song towards the end)
Black Sabbath - solitude(i think thats the name....amazing song)
In Flames - Pallar Andres Visa
Metallica - One(sometimes with the ecstasy of gold played before it)
Paul McCartney - Vanilla Sky