Jazz Carols Collection for String Quartet – Set Six: Coventry Carol; What Child Is This? (Greensleeves) and Silent Night. for Violin,Viola,Cello,String Quartet written by Traditional Carols. The format of this sheet music is Score,Set of Parts and it’s published by Musika Publishing Australia. Jazz Carols Collection for String Quartet – Set Six: Coventry Carol; What Child Is This? (Greensleeves) and Silent Night. is part of the following sheet music categories: Jazz,Christmas.