When Bumblebee brings forth "rings" for Sam and Carly, he "hums" the Wedding March (or, more correctly, the Bridal Chorus from Richard Wagner's 1850 opera Lohengrin ). Other editions Prequel material Transformers: Sector 7 Transformers: Foundation Transformers: Rising Storm Transformers: Convergence Transformers: Jazz Transformers: Space Case Transformers: Ratchet Transformers: Arcee Transformers: