Grey's Anatomy returns March 24. That episode is called "This Is How We Do It." The following week's "Song Beneath the Song" is presumed to be the musical episode.

The clip below, which surfaced online this morning, is teased as being a sneak peek of the big musical event, although there is no singing, and it appears to be cut short.

Still, it involves Alex Karev and a hickey, so it's worth watching. Here you go:

We'll get to the bottom of this clip and hopefully have more insight for you soon. For more on the musical episode, check out this sneak peek and song list from March 1.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.