What's on: Saturday Apr 14 Cloud Man A chance for kids to join cloud expert Cloudia on a journey up, up and away into the clouds. North Edinburgh Arts Centre, Pennywell Court, 11am, £4 (£2), 0131-315 2151 Edinburgh Playhouse, Greenside Place, 2.30pm, 7.30pm, £18.50-£42, 0844 871 3014 Edinburgh Festival Theatre, Nicolson Street, 2.30pm, 7.30pm, £15-£28 (£12-£25), 0131-529 6000 Traverse Theatre, Cambridge Street, 10.30am, 1.30pm, £10 (£8), 0131-228 1404 Royal Lyceum Theatre, Grindlay Street, 2.30pm, 7.45pm, £14.50-£29, 0131-248 4848 Bang Goes the Theory Live Science Shows An action-packed live stage show from the team behind BBC One's highly popular science and technology show. All ages. Part of Edinburgh International Science Festival. Usher Hall, Lothian Road, 11.30am, 4pm, 0131 228 1155 Equus A psychiatrist is enlisted to cure a 17-year-old boy whose obsession with horses has led him to behave in a devastating way in this production from London Classic Theatre. Brunton Theatre, Musselburgh, 7.30pm, £11.25 (£9.25; under 18s £6), 0131 665 2240 Highlight Comedy A different line-up of comedians every weekend. Omni Centre, Greenside Place, 8.30pm, £13, 0844-844 0044 The Saturday Show The Stand, York Place, 9pm, £15, 0131-558 7272 Saturday Live @ The Shack Another hilarious night of comedy. The Shack, Rose Street, 7pm, £10, 07584-468 989 The Mellotones House band perform. The Jazz Bar, Chambers Street, 3pm, free, 0131-220 4298 World Premiere Quintet A different selection leading jazz musicians come together for each session with no rehearsal. Ged Hanley Trio More live music at busy bar. Whistlebinkies, South Bridge, 5pm, free before midnight, £4 after, 0131-557 5114 Camii Sinclair Humour, serious songs and silly behaviour from the off-the-wall comedian and singer/songwriter, plus local comedians and musician guests. University of St Andrews Chapel Choir Early afternoon concert. St Giles" Cathedral, Royal Mile, 2.15pm, 0131-226 0673 Closure in Moscow Also The Elijan, Altered Sky and This Murder of Angels. Studio 24, Calton Road, 6.30pm, £6, 0131-558 3758 Rolled Up 20s With Jack Rowerberry, TOWN and Vinyl Jacket. Electric Circus, Market Street, 7pm, £5, 0131-226 4224 The Stagger Rats The Stagger Rats" music is rhythmic and tight with a versatile sound: one song could be a pretty ballad, the next a powerful gypsy whirlwind. The Third Door, Lothian Street, 7pm, £5, 0131-225 6313 Earl Grey & The Loose Leaves Ded Rabbit support. Sneaky Pete's, Cowgate, 7pm, £5, 0131-225 1757 Death Trap City, Emissary and Deep Red Sky More live music at busy Cowgate student haunt. Bannerman's, Niddry Street, 8pm, £5, 0131-556 3254 Bubblegum Chart, dance and retro disco. The Hive, Niddry Street, 10pm, £4, 0131-556 0444 Propaganda Claiming to be the UK's biggest indie night, Propaganda will doubtless rake in the Converse-and-cardigan mob. HMV Picturehouse, Lothian Road, 11pm, £5, 0844 847 1740 Tease Age Indie, rock and soul. Citrus Club, Grindlay Street, 10.30pm, free (£6 after 11pm), 0131-622 7086 Playdate Fine underground house night. Sneaky Pete's, Cowgate, 11pm, £3, 0131 225 1757