Watch VoirFilms. The Aluminum Group, composed of gay brothers Frank and John Navin, win over audiences worldwide with their Prada tuxedoes and their intellectual spin on 1970s smooth pop. Filmmaker Patrick McGuinn follows the duo on their 2003 tour of Italy. In between interviews with the brothers, McGuinn mixes black-and-white and color footage of the Chicago-based act, which makes inventive use of the iPod during live shows.