CHIPMUNK (Jahmaal Noel Fyffe).Rapper Chipmunk is joined Mayor .Boris Johnson at London City Hall to "Access All Areas", a music seminar for young people being organised.as part of the Mayor's "Rhythm of London 2011", London, England..April 20th, 2011.half length polo top purple baseball cap hat mouth open hand v peace sign shirt.CAP/CJ.©Chris Joseph/Capital Pictures.