Already having a solid selection of electro-glam, David Bowie-esque, Queen inspired songs, Lady Gaga wanted to mix her retro dance beats with urban melodies, a pop chorus and still retain a rock 'n' roll edge.
The 1st song they produced was a mash-up of Mötley Crüe's hit "Girls, Girls, Girls" and AC/DC's "T.N.T.".