Choral Choir (TTBB) - Level 3 - Digital Download SKU: A0.793931 Composed by Pietro Mascagni. Arranged by Ivana Tuskan. 20th Century,Easter,Opera,Sacred. Octavo. 17 pages. Ivana Tuskan #4283653. Published by Ivana Tuskan (A0.793931). One of the most beautiful opera chorus, Regina Coeli is a scene from Cavelleria Rusticana by Pietro Mascagni (1863-1945) set in a church service on Easter morning. Originally is written for 2 mixed chorus, soprano solo and orchestra (G-major key). This arrangement is for 4-part male ensemble/chorus (TTBB) and tenor or soprano solo, with piano or organ as accompanying instrument. Some choral and instrumental parts are simplefied and reduced. The key is G-major.