Licensed to CHUM Limited in 1996, MuchMoreMusic began broadcasting in 1998.
The speciality channel, a sister to CHUM’s long-running MuchMusic, offers adult contemporary and classic rock videos, plus international specials, documentaries and movies, as well as original programming produced by and for the channel.
A CRTC hearing on an application by CTVglobemedia to acquire the assets of CHUM Limited was held on April 30th 2007. Among the CHUM assets acquired by CTVglobemedia in the final approved deal were seven television stations, some 33 radio stations, and 21 specialty channels, including MuchMoreMusic.
On September 30, 2013, Much More Music was relaunched as M3.
On September 1, 2016, M3 was replaced by the food and lifestyle network, Gusto.