Instrumental Duet Instrumental Duet,Piano - Level 3 - Digital Download SKU: A0.945800 Composed by Pietro Mascagni. Arranged by Giulio Castronovo. 20th Century,Opera,Romantic Period. Score and parts. 5 pages. Giulio Castronovo #6057949. Published by Giulio Castronovo (A0.945800). Piano duet arrangement of the best known opera intermezzo. Suitable for home playing and for conducting classes.