he presented an assortment of loud ' noise/ electronica and world music on his Small Hours (formerly Here Comes the Night) late-night radio show on Today FM.
His first exhibition, This Storm is an Angel, for Galway Arts Festival in 1993, was a series of photographs taken around his home in Kerry, which focused on family, place and identity.
[1] His programme, Here Comes The Night, was first aired on the opening day of Radio Ireland (now Today FM)'s existence, 17 March 1997.
On 30 December 2007, The Small Hours had a two-hour radio special broadcast from the living room of David Gray's London home, where Gray and Liam Ó Maonlaí traded songs and stories on the piano and acoustic guitar, "intermittently picking their Desert Island discs for Dineen to spin".
In November 2009 he curated a mini festival called Fresh Air which profiled "his selection of the most exciting and experimental sound makers working today.