Harmonique References Harmonique work by Coltrane Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: John Coltrane…his 1959 recording of “Harmonique”); in the 1960s, he employed the technique more frequently, in passionate, screeching musical passages. Read More…his 1959 recording of “Harmonique”); in the 1960s, he employed the technique more frequently, in passionate, screeching musical passages. Read More