Events picks of the week

River Sounding , London This charming arts project has found its ideal home, with Somerset House being just a weak stone's throw from the Thames and enjoying its own front door out on to London's often ignored centrepiece. The piece is made from sounds recorded along a 100-mile-long stretch of the River Thames by artist Bill Fontana, with sounds installed in parts of Somerset House not usually open to the public. A supporting programme includes talking walks with London shaman Iain Sinclair and Tate curator Nicola Moorby expounding on Turner's relationship to the river. Film-makers William Raban, James Holcombe and Adam Asnan add their own visual interpretations of the Thames. Somerset House, WC2, Thu to 31 May Iain Aitch Celebration Festival , Bristol What do you get when you cross theatre with young people? A female pirate, aliens and talking vegetables. And that's what's on offer from this collaboration between Bristol-based theatre companies Show Of Strength and Travelling Light at the Create Centre in a weekend aimed at families and children aged eight and over. Pooling their experience of, respectively, new writing for theatre and theatre for young people, SOS and TL fill nooks and crannies around the centre with 18 five-minute monologues performed by six actors. The writers range from 15-year-old first-timers to the more established (though not establishment) Mark Ravenhill, whose piece The Lost Princess was co-written with nine-year-old Eleanor Taylor from Weston-super-Mare. Create Centre, Sat & Sun Emma Geliot Bath In Fashion , Bath It may sound like an invite to cleanse yourself in a pool of discarded boutique wear, but this event is actually a celebration of the spa city's vast range of independent and hight street retail fashion outlets. There will, obviously, be fashion shows to show off new spring and summer collections, but there are also talks and film shows, with a presentation on top 1960s designers and a screening of The September Issue among the highlights. There are exhibitions of textiles and fashion illustration too, as well as the chance to donate last year's out of date kit to charity. Various venues, Wed to 17 Apr Iain Aitch Out & about 3rd & Bird Easter Sing-along With Lee Mead, London, Sunday Kids aged 2-5 can join the stage star and whistling champ Michael Barimo in sounding like the feathered CBeebies characters. London Zoo, NW1, 12.15pm, reservations required, email [email protected] The Long Weekend … Literature Festival , Scarborough, Thurs to 18 Apr With Dame Stella Rimington on her spy time, historical crime writers Lindsey Davis and PC Doherty and storyteller Ben Haggarty creeping you out with Frankenstein. Various venues, call 0845-034 9516 RHS Spring Flower Show , Cardiff, Fri to 18 Apr Get growing inspiration and advice, and see the colourful designs kids come up with for the schools wheelbarrow competition. Bute Park, Cardiff Castle Swimathon , Nationwide, Fri to 18 Apr Splash, swim or simply help count laps during this wet fundraiser for Marie Curie Cancer Care. Call 0845-367 0036