This sounds like fun:
"Mayhem of The Music Meister!," the musical episode of Cartoon Network's Batman: The Brave and the Bold, will premiere at Comic-Con International in San Diego.
The episode will screen on Friday, July 24 at 10 a.m. during the Batman: The Brave and the Bold panel.
Neil Patrick Harris guest-stars as the Music Meister. A star of CBS' How I Met Your Mother, Harris, 36, provided the voice of Spider-Man/Peter Parker in MTV's Spider-Man animated series and provided the voice of Flash in Justice League: The New Frontier.
Dynamic Music Partners -- Kristopher Carter, Michael McCuistion and Lolita Ritmanis -- has announced completion of the music for the episode. The production included several independent sessions with more than 30 of Los Angeles' top studio musicians and culminated in a day of scoring at Warner Bros. Eastwood Scoring Stage.
Others performing in the episode include Grey DeLisle, James Arnold Taylor, Dee Bradley Baker, John DiMaggio, Kevin Michael Richardson, Tom Kenny, Jeff Bennett and Diedrich Bader.