Arcosm Company, Echoa, 22-23 Oct, Lilian Baylis Studio French company Arcosm’s dance-percussion spectacular Echoa is a children’s show timed for half-term, with drums of all descriptions cleverly organised on scaffolding so that seven distinctly different dance scenes can unfold below. Booking: http://www.ticketmaster.co.uk/Sadlers-Wells-tickets-London/venue/279024