Yes, one of the stars of The Expendables 2 (now playing in theaters everywhere) is back, flexing his impressively musical muscles for Old Spice and W+K.

In what we’re being told is what’s a “first-of-its-kind embeddable interactive experience,” Muscle Music allows viewers to record their very own percussion-laden jam session after they stream and impressive demo performed by Mr. Terry Crews. But, for those of us who learn better from following directions than button-mashing, Old Spice has provided us with this handy keyboard map:

Sure, it’s just sort of silly and gets a little boring after about a minute of messing around, but realize that this is as much of an ad for W+K, prodco MJZ, VFX company The Mill and Vimeo itself as much as it is for Old Spice. From a purely technological standpoint, this could be a big step forward in integrating audience interaction into streaming video. Your move, YouTube.

Credits after the jump.

Update: By the way, the Terry Crews has been answering questions following his new Old Spice ad launch on Reddit. Go here for the Q+A.

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