He showed up in those robes without knowing what song he'd be singing.

On Sunday night, Comedy Central aired its Night of Too Many Stars benefit, a biennial event to raise money for autism services and educations. One of the highlights was this clip, featuring 13-year-old Jodi DiPiazza singing a duet with Weird Al Yankovic of his classic song parody "Yoda." The song also features vocals from the Actionplay Chorus. Click here to learn more about Actionplay.

Jodi also appeared on the special two years ago, when she sang Firework with Katy Perry. Here's that clip, equally moving for anyone affected by autism, but perhaps less so for Star Wars fans:

Sources: Comedy Central