Piano Quartet,String Ensemble Cello,Piano,Viola,Violin - Level 4 - Digital Download SKU: A0.555663 By Mary Rounsavall. By Mary Rounsavall. Arranged by Mary Rounsavall. Classical,Instructional. Score and parts. 9 pages. Mary Rounsavall #165233. Published by Mary Rounsavall (A0.555663). This lovely theme was inspired by Queen Elizabeth II and was composed for Piano Quartet. It is also arranged for various other ensembles or solos.