a full-scale programme of orchestral and other concerts was presented by derby live at the assembly rooms, though this is currently closed following fire damage in march 2014; performances continue to take place at the smaller guildhall theatre, and in derby cathedral. the amateur classical music scene includes two choral societies, derby bach choir and derby choral union; smaller choirs including the derwent singers and sitwell singers; and derby concert orchestra. derby chamber music presents an annual series of chamber music concerts at derby university's multifaith centre. a series of organ recitals is presented every summer at derby cathedral.