Joan Osborne and Henry Butler will sit in with 7 Walkers at New York’s Brooklyn Bowl tonight. The group’s lineup includes Bill Kreutzmann, Papa Mali and Matt Hubbard. Dirty Dozen Dozen Brass Band’s Kirk Joseph will also sub for the group’s regular bassist George Porter Jr. Osborne and Kreutzmann toured together as part of The Dead in 2003. Jason Crosby and Dark Loft will open the night and additional guests are expected.