By Mandi Bierly
Updated June 23, 2010 at 04:27 PM EDT

Sandra Bullock made a surprise appearance at Tuesday’s Nashville Rising: A Benefit Concert for Flood Recovery. When her Blind Side co-star Tim McGraw and his wife, Faith Hill, invited her to introduce Faith, she thought she’d come and do some funny bits, have a wardrobe malfunction. But after hearing how generous the community had been when it came time to take care of one another, she wanted to give them something more: a song. She strapped on a guitar, asked the audience to be quiet, and launched into “Smoke on the Water.” Watch the clip below. (Yes, this is a comedy bit, and Bullock’s streak of charming public appearances at a time when most celebrities would be asking for complete privacy continues to keep fans firmly in her corner.)

P.S. If you were wondering, Miley Cyrus, who was among the artists delivering real performances, did tame her wardrobe for the event. She wore pants.

Just the music:

Full introduction: