First time competitor! God knows why I haven't done this sooner, great fun and I've been looking for more challenging stuff to play. Never really heard this sort of music before so that was also fun. Bass path: Masterclass: Streetlight Manifesto - We Will Fall Together
If you want something to learn outside of rocksmith and eager for a challenge, Stairway To Heaven is thought of as a pretty standard thing to try and learn.
Great thing about drums is you can pretty much mess around with a song as much as you like as long as you keep a steady beat. Try learning scales, and a bit of ear training so you can identify the notes that are being used.