The world of "Gilmore Girls" would be incomplete without fictional band Hep Alien. Aside from giving viewers the opportunity to rock out with Rory's best friend Lane Kim on drums, the group played an integral role in shaping the tone of the music-obsessed show. In honor of the series' recent resurgence in popularity on Netflix -- and because we all loved Hep Alien's reunion performance at ATX -- The Huffington Post caught up with former cast members Todd Lowe (Zack), John Cabrera (Brian), and Keiko Agena (Lane) to get some behind-the-scenes information about the band.