Music Friday: 4 more covers

For the third Friday in a row, here are 4 adventurous covers. (You can go to all of them by clicking the "covers" tag.)

9. Ben Folds covers...



...The Postal Service.




10. Tori Amos covers...



...Nirvana.




11. Dr. Fox's Old Timey String Band covers...



MGMT. (Blogged previously.)




12. Brad Mehldau covers...



...Radiohead.