sentence: In 1983 he co-edited volume 4 of Berlioz's Correspondance générale, citation and in 1996 he co-edited Volume 1 of the composer's Critique musicale.
modified: fix grammar: On 1983 he co-edited volume 4 of Berlioz's Correspondance générale, citation and at 1996 he co-edited Volume 1 of the composer's Critique musicale.