Variants surrounding a tune by John Scofield. Par TURNAGE MARK-ANTHONY. The work is based on a tune called The Nag written by the jazz guitarist/composer John Scofield, of whom I have long been a fan and with whom I worked closely when writing Blood on the Floor (Mark-Anthony Turnage) ‘The grim frenzy, the waste and the futility of war are all embedded in Silent Cities’ (The Times)/ Répertoire / Orchestre