Cello Duet Cello - Level 4 - Digital Download SKU: A0.915233 Composed by Jules Massenet. Arranged by K. Speck. Concert,Contemporary,Opera,Wedding,World. Score. 7 pages. K. Speck #6351583. Published by K. Speck (A0.915233). Meditation from the opera Thais composed by Jules Massenet, Cello Duet. Arranged by K. Speck (@kspeckmusic)Key- D majorScore- 3 pagesCello 1- 2 pages (melody)Cello 2- 2 pages (accompaniment).