Flute and organ - advanced - Digital Download SKU: S9.Q6704 Composed by Jean Guillou. This edition: Sheet music. Downloadable. Op. 17. Schott Music - Digital #Q6704. Published by Schott Music - Digital (S9.Q6704). Jean Guillou is regarded as an important organist and composer. As such, he has created a comprehensive oeuvre, especially for solo instrument(s) and organ, including Intermezzo Op. 17 composed in Hamburg in 1969 which is now published for the first time.