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Dublin Twestival odeon Annual global Twitter fundraising frolic in aid of Worldwide Concern with music, dance and other 140 character hook-up opportunities. 6.30pm, €5, @dubtwestival

Gilbert O'Sullivan grand canal theatre Waterford-born genius and creator of Alone Again (Naturally), Clair and Get Down in the Docks' snazzy new theatre. 6.30pm, €42.50, 0818 719 377

Cabaret Aragon the button factory Live escapade featuring the poems and songs of French poet Louis Aragon. 7.30pm, €15, 01 670 9202

Errors the academy 2 Itchy/scratchy Glaswegian post-electro, signed to Mogwai's own Rock Action label. 7pm, €13.50, 01 877 9999

Barry Murphy laughter lounge Farcically funny local comedian. 7pm, €26, 01 878 3003

Storyfold crawdaddy High-tempo rockers with a single to launch. 7.30pm, €8, 01 476 3374

Fiach whelan's Gently emotive singer (and songwriter, natch). 8pm, €15, 01 478 0766

Sinatra, a Man and His Life the sugar club Tribute special. 8pm, €22.65, 01 678 7188

Pop-friendly egrand canal theatre Krome & Time twisted pepper Old-time hardcore/jungle duo, with further Brazilian D'n'B action from S.P.Y. 11pm, €10, 01 873 4800 n Saturday 27th

Archie Bronson Outfit whelan's Supercharged nu-psych/garage blues trio. 8pm, €13.50, 01 478 0766

Gilbert O'Sullivan grand canal theatre See Thursday. 6.30pm, €42.50, 0818 719 377

Wild Beasts the academy Return of falsetto howlers of poetry. 9pm, €17, 01 877 9999

Ollie Cole the sugar club Local indie kingpin making solo sounds. 8pm, €13.50, 01 678 7188

Glenn Tilbrook the village See Hot Gig. 8pm, €26, 01 475 8555

Lluther the button factory Irish industrial rock. 7.30pm, €13.50, 01 670 9202

The Redneck Manifesto tripod Post-everything rock. 7.30pm, €16, 01 476 3374

Fureys and Davey Arthur vicar street Trad-folk legends. 8.30pm, €30, 0818 719 390

Communion whelan's upstairs British-based indie night pulls up an early pew with help from The Hot Sprockets and Scarecrow Disco. 6.30pm, €7, 01 478 0766 n Monday 29th

Hefty Mondays whelan's upstairs Hefty Horse crew get your week off to a dangerous start with a clanging night of live and DJ sounds. 8pm, free, 01 478 0766

Trio Festivale national concert hall Fascinating flute music. 8pm, €15, 01 417 0000

as seen on TV Dave Murphy bankers pub, trinity street The original showcase for Dublin singer/songwriters and a stop on the Dublin city tour that's more crucial than Guinness. 9pm, €5, 01 679 3697 n Wednesday 31st

Nick Kelly & The Fat Lady Sings whelan's upstairs Kelly and fellow fat ladies, Tim Bradshaw and Dermot Lynch reunited. 8pm, €15, 01 478 0766

Suffocation whelan's Smothering New York death-metal warlocks. 6pm, €22, 01 478 0766

The X Factor the o2 See Tuesday. 6.30pm, €49.20, 01 819 8888

Blasphemy spy Electropunk party. 11pm, €7, 01 677 0014 Theatre

Shen Yun grand canal theatre New York-based globe-trotting Chinese dance and music spectacular. Sunday 2.30pm and 7.30pm, €49, 0818 719 377

Put Out the Light new theatre George Seremba stars as an African immigrant to Ireland involved in a fraught relationship with a Dublin woman. Starts Monday, 8pm, €14/€12, 01 670 3361

The Birthday Party smock alley theatre Typically tense and cryptic drama about a boarding house (or is it?) on the birthday (or is it?) of one of the tenants (or is he?) from Harold Pinter (or is ... well, okay, that bit is pretty certain). 8pm, €20, 01 441 7571

Coconut Raft project arts centre Sean Carpio, Bobby McGlynn and Bryan Quinn (who also wrote the shows and its songs) star as three escaped murderers on the run. 8.15pm, €15/€12, 01 677 8899

Philadelphia Here I Come gaiety theatre Noel Pearson's production of Friel's classic of emigration looks for new relevance post-boom. Monday to Friday 7.30pm, Saturday 2.30pm, €55/€32.50, 01 677 1717 Exhibitions Tom Molloy rubicon gallery Another smart foray into the global ecosystem of images with an Irish artist who re-drafts, chops, collages and generally breaks open such apparently everyday objects as newspaper photographs and atlases to reveal their half-hidden meanings. 01 670 8055

Alfred Jensen douglas hyde gallery Strange signs, codes, enigmatic colour systems and patterns dominate the work of this Guatamalan-born, Danish-educated painter, whose career seems to have developed on the sidelines of art history, leaving him less appreciated than friends and contemporaries such as Rothko, Newman and Pollock. 01 896 1116

Anne Tallentire imma Veteran Irish artist returns to Dublin with a show of her work (largely in video) over the past decade. 01 612 9900 Family Penguin Weekend dublin zoo A fantastic weekend of discovery and two-toned fun, with the annual penguin fest in full waddle. 01 474 8932

Fighting Men collins barracks Look out, the Roman army is invading Dublin! Find out what it must have been like to be a centurion with a little help from the Roman Military History Society of Ireland. Sunday, 3pm, 01 677 7444