It features rapid repetitions, chains of trills and glissandi. It features harps and glissandi violins. A disadvantage of inline chromatic harps is that glissandi can only be performed chromatically. It's full of half-parsed chord voicings and shimmering glissandi. Rachmaninoff, Prokofiev, Liszt and Gershwin have all used glissandi for piano in notable compositions. The "shakuhachi"'s breath effects are echoed by clusters and glissandi in the strings. This movement uses glissandi passages to lend the piece a surrealistic air. Glissandi of the strings imitate the blowing of the pipes (). Glissandi are represented by diagonal wavy lines with arrowheads at the end. His music is about slow developments in clusters via glissandi. This design enables a continuous control over the string tension, which is important for glissandi.