Royal Air Force Music Services is based at RAF Northolt (previously at RAF Uxbridge) and RAF Cranwell, and forms the central administration of one hundred and seventy musicians divided between the Central Band of the Royal Air Force, The Band of the Royal Air Force College, The Band of the Royal Air Force Regiment and Headquarters Music Services. These main military bands contain within their ranks the Royal Air Force Squadronnaires, Royal Air Force Swing Wing, Royal Air Force Shades of Blue, and The Salon Orchestra of the Central Band of the Royal Air Force.