Some of you may have seen Fergie launch into a series of jawdropping, one-handed flips across the stage on "Idol" last night. This has us thinking of the more impressive acrobatics by musical talent we've seen. I mean, how many of you out there can land in a split? Or, more awesomely, handle a 360-spin while drumming suspended three stories in the air? And honestly, for all the talk of the...wuss that word..."indulgence" in this industry, how messed up can someone be and still handle that kind of a workout?

See if you can name everybody who appears in the quick clip above. The who, what, when, and where after the jump. Read more...