Four preludes of Shostakovich are in this folio for 4 octaves of bells. Prelude 1 in G major is from 24 preludes op. 31, no. 3; Prelude 2 in G minor is from 5 preludes, No. 5; Prelude 3 in G major is from Five preludes, No. 2; and Prelude 4 in Db major is from Op. 34, no. 15. Each prelude is different in texture and style.