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