“Mellow” is a word that, quite obviously, always sprung to mind whenever Mac DeMarco breezes into conversation. And indeed, no other word could be more fitting for This Old Dog, his third full-length release and the eagerly anticipated follow-up to his 2015 EP, Another One. The self-proclaimed king of “jizz-jazz”, loved for his goofball sense of humour as well as his chill lo-fi sound has carved a niche for himself since his 2012 debut 2, always decorating his music with a hint of melancholia and a tongue in cheek self-awareness. DeMarco seems nothing if not comfortable in his own sonic world. Comfortable though,…