VIDEO: Jack White, Alison Mosshart and John Paul Jones onstage with Seasick Steve at iTunes Festival

Performing at the iTunes Festival at Camden's Roundhouse this weekend, Seasick Steve was joined onstage by Jack White and his Dead Weather bandmate/Kills front-lady, Alison Mosshart. John Paul Jones rounded off the supergroup on bass.

Check out the video above to watch the foursome perform Seasick Steve's Write Me A Few Of Your Lines with White on drums and Mosshart on vocals.

Tom Porter worked on MusicRadar from its mid-2007 launch date to 2011, covering a range of music and music making topics, across features, gear news, reviews, interviews and more. A regular NAMM-goer back in the day, Tom now resides permanently in Los Angeles, where he's doing rather well at the Internet Movie Database (IMDB).