William Walton Edition. Par WALTON WILLIAM. for solo viola and orchestra This edition of Walton's celebrated Viola Concerto (1962 version) has been off-printed from the William Walton Edition full score, and combines the scholarship of the Edition with the practical benefits of the smaller format. An introduction is provided by the volume editor, Christopher Wellington. / Niveau : Très Avancé / Répertoire / Alto et Orchestre