He entered McGill University in 2007 and graduated in 2011 with a degree in comparative religion.

[5][6] Welsh released his debut solo album, Dream Songs, on August 24, 2018.

The album was produced by Austin Tufts of Braids and self-released on You Are Accepted, a record label created by Welsh.

[7] From 2007 to 2010, Welsh was in an on-and-off relationship with Claire Boucher, known professionally as Grimes.

The two met in 2007 at a first-year dorm party while studying at McGill University.