In 1985 he and Fiachna O Braonain put together a rhythm and blues group with all songs written in Irish. This was the beginning of the Hothouse Flowers, which went on to be one of Ireland’s most successful rock bands, releasing seven albums.
However Liam remained faithful to his traditional roots. In 2005 he released the album Rian with his close friend, renowned producer John Reynolds. He travelled to Mali in 2006 and 2007 where he played at the Desert festival with uileann piper Paddy Keenan and participated in the making of a documentary. Both men played with musicians from the region, well-known artists to local tribes people. Liam has also travelled extensively in Australia, Japan, America, Europe, Scandinavia, Morocco, and India, and continues to play with traditional players wherever he travels.