In 2013, Hamelmann co-wrote "If You're Not Here At Christmas" with Juno Award winner Gavin Bradley and Gemini Award winner Paul Bellini.
Bill Bradley | Gavin Friday | Milton Bradley | Omar Bradley | Gavin Bryars | Gavin Newsom | Gavin DeGraw | James Bradley | Gavin Shuker | Bradley | Marion Zimmer Bradley | Gavin Hamilton | Bradley Wiggins | Allen-Bradley | Milton Bradley Company | M2 Bradley | Harold Bradley | Gavin Dunbar | Dance Gavin Dance | Bradley Cooper | Tom Bradley | Leslie Bradley | James M. Gavin | Gavin Rossdale | Gavin Harrison | Edward R. Bradley | Bradley International Airport | Bradley Beesley | Will Bradley | Timothy Bradley |