Raised in Toronto, Liam was surrounded by music throughout his childhood. His first public performance was at the age of two, when he joined his father, Brent Titcomb, on stage to play the ukulele. By the age of five, Liam joined his father at gigs as a backup singer and percussionist. At seven, he picked up the Cajun fiddle. By the time Liam was twelve years old, he was performing on various instruments as an opening act and not soon after landed his own shows. Today, Liam plays guitar, piano, steel pan and drums. Liam has also played steel pan with the award-winning Afropan Steelband at Toronto's Caribana festival. On February 1st, 2005, Liam released his self-titled debut album, produced by Grammy winner Bill Bottrell. Both of the two singles from the album reached the top 20 charts on Hot AC radio, "Sad Eyes" stopping at number 9.

In 2006, Liam was nominated for the 9th Annual Canadian Radio Music Awards for Best New Group Or Solo Artist (Hot AC). At the Juno's in 2004, Liam delivered a memorable performance at the Canadian Academy of Recording Arts and Sciences (CARAS) Songwriters' Circle. In 2003, Liam contributed the song "War" to the benefit album Peace Songs in support of War Child Canada's humanitarian programs.

In June of 2007 Liam released his sophomore album entitled "Can't Let Go". It was recorded in Nashville in the fall of 2006, produced by Grammy winner Jay Joyce (Patty Griffin, The Wallflowers) and features musical cameos by singer/songwriter Damhnait Doyle (of Shaye) and harmonica player Mickey Raphael (of Willie Nelson's band). Liam is currently touring to support his new record.