Well, she has already conquered pop: diamond certified pop single, platinum pop albums, a stadium tour. It's only natural for her to move on.
Led Zeppelin. Pink Floyd, AC/DC, The Rolling Stones, their time is limited. Gaga is coming to SLAY the classic rock scene.
I see her putting out Guns n' Roses type work.

God, I am so excited the possibilities. Slay me, queen!