What's on today and tomorrow

CORK The Monaco Boys Choir will perform today at 1pm in Triskel Christchurch under conductor Pierre Debat

CORK The Monaco Boys Choir will perform today at 1pm in Triskel Christchurch under conductor Pierre Debat. The programme includes Brahms, Gounod, Saint-Saens, Fauré, Rachmaninov and Britten. Tickets €5. triskelartscentre.ie

DUBLIN

Griswold, a new play by Arnold Thomas Fanning, previews at the New Theatre tonight. The story details the lives of two young Irish men in New York post 9/11 and their need and abuse of each other. Tickets for tonight are €10, €12-15 otherwise. thenewtheatre.com

DERRY

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Martin McCrossan takes groups four times a day on walking tours of Derry city and its surroundings. There's no need to book and prices vary depending on distance and whether you want to walk, cycle or take a taxi. derrycitytours.com

MEATH

Every Monday and Thursday night, James Griffin's pub in Trim hosts a free traditional Irish music session in an area of the bar known as Lil's Kitchen. The owner promise a night of jigs, reels and ballads. Starts at 9.30pm. jamesgriffinpub.ie

KERRY

The Killarney races begin today with a family evening and entertainment for all ages. Wednesday sees the visit of the Rose of Tralee, while Thursday is Ladies' Day, when there's a prize for best-dressed lady and most stylish hat. killarneyraces.ie

WATERFORD

A new walking app will be available to download from today, guiding visitors around the Nire Valley in the Comeragh mountains (above). The app costs €1.99 and allows users to download maps and guides as well other information about the local area. Search for Nire Valley Trail Guide in the App store. itsafeeling.com