
1) Ballet by Frederick Ashton 2) Deadpan features 3) Features of dull speakers 4) Tedious sounds
Found on
https://www.crosswordclues.com/clue/monotones
[ballet] Monotones is a ballet in two parts by Frederick Ashton based on the music of Erik Satie. Monotones II was created first as a gala piece for a gala performance in aid of the Royal Ballet Benevolent Fund in 1965. Ashton had long been inspired by the Gymnopedies by Erik Satie of 1888 and took orchestrations by Claude Debussy and Rolan...
Found on
http://en.wikipedia.org/wiki/Monotones_(ballet)

(from the article `dance`) ...composed for the Sugar Plum Fairy in The Nutcracker. In plotless dances music and movement also reflect and reinforce each other, as in Ashton`s ...
Found on
http://www.britannica.com/eb/a-z/m/114
No exact match found.