Introducing Mr Night-Light David Blake on JS Bach, the 250th anniversary of whose death is currently being marked, and on last week's performance of his Christmas Oratorio	Disposable dinosaurs By Nigel Ryan Plain talk By Mursi Saad El-Din To be snd to be now Intense, immediate, impossible: Youssef Rakha observes Yaaru in action
	Smothering Nehad Selaiha sees a bleak vision of motherhood at the Townhouse Gallery