THE Hawk's Well Theatre in Sligo will be formally re opened after extensive refurbishment by Minister Michael D Higgins on Monday night; the re opening will be followed by a gala performance of the Abbey's Good Evening, Mr Collins, as part of Sligo Arts Festival . . . Artslink, the listings broad sheet for the arts in Northern Ireland, has celebrated its 15th birthday with a relaunch in partnership with the Northern Ireland Tourist Board... Realta 97, Raidio na Gaeltachta's new song contest for songs in Irish, is accepting entries - there is a prize fund of £2,000 and a place in the heats for Eurosong 97 up for grabs - phone Joe Brennan on 091-572410/fax 091-506666 for information. . the relationship between deaf people and verbal and dramatic arts will be explored at a conference in Omagh on September 19th; information from Derry 266946...The Da Club in Dublin will reopen with a full licence tonight, after recent difficulties; entertainment from Leslie Keye and the Wilde Oscars.. . WP Monthiv, the Cavan literary magazine, hosts a launch and reading in the Oriental Room, Bewleys, Grafton, St, at 8.30 p.m. tomorrow night...