Barbican Centre - Presents a year-round programme of art, music, film, theatre, dance and education. Profile, upcoming events and information about event planning. - http://www.barbican.org.uk/
City of London Sinfonia - Chamber orchestra founded in 1971 by Richard Hickox. Based in the Barbican but performs nationally, internationally and on the radio. Subscription to e-mailing list, details of forthcoming concerts, history and other information. - http://www.cityoflondonsinfonia.co.uk
City of London Festival - Arts festival taking place annually in June and July. Around this time the site provides a searchable list of events. - http://www.colf.org/
City Music Society - Lunchtime and early evening chamber-music concerts. - http://www.citymusicsociety.org/