Cormack started competing in Gaelic singing competitions when he was 8 and competing at
Mòds when he was 11. He won the coveted Gold Medal at the
Motherwell Mòd in 1983 at the age of 18, the youngest male individual to do so, and went on to release his first album,
Nuair Bha Mi Òg, the following year aged just 19. He followed this up in 1989 with the release of his second solo studio album,
Ruith na Gaoith, in 1989. He was part of acclaimed Gaelic supergroups Mac-Talla and
Cliar, with Mac-Talla releasing their only studio album
Mairidh Gaol is Ceòl in 1994, and Cliar releasing four albums:
Cliar in 2000, which was voted the Best Album at the inaugural
Scottish Trad Music Awards in 2003,
Lasair Dhè in 2001,
Gun Tàmh in 2002, and
Grinn Grinn in 2005. In addition to this, he also runs his own Macmeanmna label and continues to guest star on the albums of Blair Douglas. At the 2011
Scots Trad Music Awards, Cormack received the "Hamish Henderson Services to Traditional Music Award". Cormack released his third solo studio album, his first for 29 years, in 2018, titled
Buanas, which received critical acclaim from critics. ==Gaelic==