This 2 CD release is an album released for promotion of the Twilight movie boxed set entitled Forever. This album includes Australian born singer song writer Sia, the GRAMMY award winning pop vocalist Bruno Mars, well known singer song writer Beck, the indie band Bat For Lashes, the Voice judge and "F#ck You" singer Cee Lo Green, the girl with the chilling voice Lykke Li, the "Jar of Hearts" singer Christina Perri, "Cavalier" singer James Vincent McMorrow, the great and experienced band Green Day, rapper and Ed Sheeran collaborater Lupe Fiasco, Trinidadian born rapper and Ellie Goulding collaborater Theophilus London, "Before I'm Gone" singers Hurricane Bells, the American rock band Band Of Horses, pop duo Imperial Mammoth, and many more.