 He and Jackie Love had a hit record "My Friend" written by Neil Sedaka.In 2014 Gallaher returned to the stage to be reunited with Jon English for the first time in many years as they performed in "Spamalot" for Harvest Rain Theatre Company at the Queensland Performing Arts Centre (QPAC).In 2015 he took over the role of The Wonderful Wizard of Oz in the Australian production of "Wicked" and opened with it at the commencement of the Brisbane season.