If I Knew by bruno mars Overview Tag Appears on Bruno Mars Doo-Wops & Hooligans IPAUTA Unorthodox Jukebox Unorthodox Jukebox (Deluxe Edition) Unorthodox Jukebox Deluxe Edition Unorthodox Jukebox (Deluxe Version) Unorthodox Jukebox [Explicit] Unorthodox Jukebox (Target Deluxe Edition) Playcount 29 Listeners 13