At past weeks I've been listening to a lot of...
-Kingston Wall (finnish band from the 70's, has kinda similar sound as the Led Zeppelin)
-Led Zeppelin (especially the I & II albums)
-Jimi Hendrix
-Black Sabbath (the Paranoid album)
Then again if we speak about of all time favourites outside of rap music, then there's too many to name. I listen a lot of reggae, old funk, blues, old school ska + new "3rd wave" ska (bands like Reel Big Fish, Buck-O-Nine. Skalatones, etc.), punk (Blag Flag, Bad Religion, Operation Ivy, etc.). I also listen to artist like Nick Cave, Tom Waits, Leonard Cohen, etc. Basically anything with a good rhythm or a good lyrics.