FILM 127 Hours Danny Boyle's film based on the true story of a mountain climber who gets trapped under a boulder.  FILM The King's Speech Colin Firth is already an Oscar frontrunner for his performance as a stuttering King George VI in Tom Hooper's rousing movie.  CLaSSICaL MUSIC Polar The Royal Liverpool Philharmonic orchestra provides a live soundtrack to a cinematic journey through the polar ice caps. Philharmonic Hall, Liverpool (0151 709 3789) aRT a masterpiece a month To celebrate its 200th birthday, the UK's oldest purpose-built gallery shows a magnificent painting a month from collections around the world. Dulwich Picture Gallery (020 8693 5254) DaNCE Giselle Carlos acosta and Marianela Nu?ez are among the stars in the Royal Ballet's production of the classic story of love and betrayal. Royal Opera House (020 7304 4000) until Feb 19 THEaTRE Twelfth Night Rebecca Hall plays Viola, directed by her father Sir Peter Hall. National Theatre, London (020 7452 3000) until March 2 FILM The Green Hornet Seth Rogen and Cameron Diaz star in a hectic reimagining of the cult comic superhero. Directed by Michel Gondry (Eternal Sunshine of the Spotless Mind).  DaNCE London International Mime Festival a mixture of visual theatre, circus and dance take over the capital - all without a word. assorted locations around London (www.mimefest.co.uk) until Jan 30 EXHIBITIONS Gabriel Orozco The first major UK retrospective dedicated to the playful Mexican artist. Tate Modern (020 7887 8888) until april 11 THEaTRE The Comedy of Errors and Richard III Propeller, Edward Hall's all-male troupe, brings two new Shakespearean interpretations to the stage. Lyceum Theatre, Sheffield (0114 249 6060) until Jan 29 aRT Modern British Sculpture.  This survey of British sculpture since 1900 includes anthony Caro, Sarah Lucas, Damien Hirst and others. Royal academy (0844 209 0051) until april 7 THEaTRE The Children's Hour Keira Knightley and Mad Men's Elisabeth Moss star in Lillian Hellman's 1934 drama set in a girls' boarding school Comedy Theatre (0844 871 7627) until april 2 MUSIC Bruno Mars, Doo-Wops and Hooligans Debut album from the Hawaiian co-writer of international hits for the likes of Cee Lo Green (Forget You) and Flo Rida (Right Round).  MUSIC adele, 21 Highly anticipated, Rick Rubinproduced second album from the Grammy-winning London songbird.  CLaSSICaL MUSIC Gustavo Dudamel The charismatic conductor leads the Los angeles Philharmonic in Bernstein and Beethoven. Barbican (020 7638 8891) until Jan 28 BOOKS The Telegraph Hay Festival, Cartagena Nobel Prize-winner Mario Vargas Llosa, Germaine Greer, Gary Shteyngart and Philip Glass are among the guests of the literary knees-up in this Colombian city on the Caribbean Sea. (01497 822 629) until Jan 30 CLaSSICaL MUSIC Infernal Dance Finnish maestro Esa-Pekka Salonen conducts two of Bart?k's most extraordinary works. Royal Festival Hall (0844 875 0073) FILM Barney's Version Golden Globe-nominated Paul Giamatti plays a man on the verge of a nervous breakdown in Richard J Lewis's charming adaptation of a 1997 novel by Canadian author Mordecai Richler.  CLaSSICaL MUSIC Maurizio Pollini The celebrated pianist performs five recitals of pieces from Bach to Boulez. Royal Festival Hall (0844 875 0073) until May 25 THEaTRE Clybourne Park Bruce Norris's Royal Court hit starring Sophie Thompson transfers to the West End. Wyndham's Theatre (020 7565 5000) until May 7 aRT The Poetry of Drawing The largest survey of Pre-Raphaelite drawings and watercolours ever staged, which will include key loans from both public and private lenders. Birmingham Museum and art Gallery (0121 303 1966) until May 15 OPERa Lucrezia Borgia English National Opera gives the premiere of Mike Figgis's production of Donizetti's opera, starring soprano Claire Rutter. London Coliseum (0871 911 0200) until March 3 aRT Susan Hiller a rare retrospective of the work for the american artist who is a pioneer of video art and mixed-media art. Tate Britain (020 7887 8888) until May 15 THEaTRE Goodnight Mister Tom a new adaptation of the classic wartime children's novel. Chichester Festival Theatre (01243 781312) until Feb 5, then touring OPERa The Portrait Opera North presents the British premiere of the rediscovered Soviet composer Weinberg's opera about a cursed portrait. Grand Theatre, Leeds (0844 848 2706) until Feb 12 THEaTRE Plenty Thea Sharrock directs David Hare's play about Nazi-occupied France in a season that features Racing Demon and The Breath of Life. Sheffield Crucible (0114 249 6000) until Feb 26 FILM Brighton Rock Graham Greene's thrilling 1939 novel is updated to the era of the Mods, starring andrea Riseborough.  FILM The Fighter Based on the true story of Irish boxer Mickey Ward and starring Mark Wahlberg and Christian Bale.  THEaTRE The Heretic Richard Bean's new play about climate change opens at the Royal Court. (020 7565 5000) until March 19 THEaTRE Frankenstein Danny Boyle returns to the stage with Jonny Lee Miller and Benedict Cumberbatch alternating as the scientist and his monster. National Theatre (020 7452 3000) until april 17 THEaTRE The Wizard of Oz This revival is the latest andrew Lloyd Webber extravaganza, cast via reality television series Over the Rainbow. London Palladium (0844 412 2957) until Sept 17 THEaTRE The Million Dollar Quartet a rock'n'roll jukebox show inspired by a recording session between Elvis, Johnny Cash, Carl Perkins and Jerry Lee Lewis. No?l Coward Theatre (0844 482 5141) until Oct 1 THEaTRE Guys and Dolls a welcome revival of the great american musical about gamblers and their Salvation army saviours. Clwyd Theatr Cymru, Mold, North Wales (0845 330 3565) until March 5 FILM Never Let Me Go Keira Knightley, Carey Mulligan and andrew Garfield star in the film adaptation of Kazuo Ishiguro's science-fiction fantasy.  FILM True Grit The Coen brothers remake a John Wayne western. Jeff Bridges leads a stellar cast (including Matt Damon and Josh Brolin) as a US marshal who helps a young woman track her father's murderer.  THEaTRE The 25th annual Putnam County Spelling Bee a Tony award-winning american musical about the drama surrounding a spelling competition. Donmar Warehouse (0844 871 7624) until april 2 FILM The Debt Directed by John Madden, this film follows three Mossad agents on their mission to capture a Nazi criminal.  MUSIC PJ Harvey Let England Shake is her first album for two years, and she follows it with two live dates in London at the end of the month.  aRT Watercolour an exhibition looking at the history of this popular medium. Tate Britain (020 7887 8888) until august 21 THEaTRE The Blue Dragon Robert Lepage presents his sequel to the famous Dragon's Trilogy. Barbican (020 7638 8891) until Feb 26 THEaTRE King Lear The first production at the RSC's new theatre is directed by David Farr and stars Greg Hicks. Stratford Upon avon (0844 800 1110) until april 2 aRT Jan Gossaert's Northern Renaissance Fifty paintings by the Flemish artist noted for his sensuous nudes. National Gallery (0844 847 2409) until May 30 MUSIC Stormtroopers in Stilettos an exhibition charting Queen's rise to success. Old Truman Brewery, London (www.queenonline.com) until March 12 OPERa The Mikado a 25th anniversary revival of Jonathan Miller's classic production of this G&S favourite. London Coliseum (0871 911 0200) until March 11 CLaSSICaL MUSIC BBC Symphony Orchestra a Total Immersion in the work of contemporary composer Brian Ferneyhough. Barbican (020 7638 8891)  DaNCE Lord of the Flies William Golding's story of teenage boys marooned on an island gets the Matthew Bourne treatment. Glasgow Theatre Royal (0844 871 7647) until March 5 THEaTRE Blithe Spirit alison Steadman and Ruthie Henshall star in No?l Coward's enduring 1941 play. apollo Theatre (0844 412 4658) until June 18 MUSIC Beady Eye Liam Gallagher's muchpraised new band set off on their first ever tour. Glasgow Barrowlands (0141 204 5151) aRT afghanistan: Crossroads of the ancient World Surviving treasures from afghanistan's ancient culture. British Museum (020 7323 8181) until July 3 MUSIC Justin Bieber The teen-wonder's 2011 tour. National Indoor arena Birmingham (0844 388 8000) FILM Rango In an animated Western, Johnny Depp provides the voice of a chameleon who wants to be a hero. FILM The Tempes