Pietro Mascagni. Cavalleria Rusticana, edited by Andreas Giger with the collaboration of Helen M. Greenwald. Masterpieces of Italian Opera volume 2 (Kassel: Bärenreiter, 2024). Bärenreiter BAS07649-01, ISMN 979-0-006-54364-9, lxxxiii + 292 pp.
Jesse Rosenberg (2026) studied this question.