The All-New Batman: The Brave and the Bold — DC Comics
Issue: #16
It's Valentine's Day, and love is in the air. But so is a whole lot of sheer magical insanity, because Batgirl has a not-so-secret admirer: Bat-Mite!
First appearances: Music Meister
Creators: Rick Burchett, Guy Major, Dan Davis, Heroic Age, Sarah Gaydos, Sholly Fisch, Jim Chadwick, Dezi Sienty
Characters: Batman, Dick Grayson, Superman, Catwoman, Barbara Gordon, Lois Lane, Zatanna, Lex Luthor, Donna Troy, Bat-Mite, Music Meister, Mad Mod, Polka-Dot Man, Fiddler, Pied Piper