The author meant that Coltrane's work became so relevant that it began to draw attention even from audiences who were not interested in Jazz.]
Explanation:
This question is about the article "Jazz Greats: John Coltrane" that introduces us to John Coltrane, a great musician from North Carolina. Coltrane played Jazz and because his career was very talented it was a great success. He became such a well-known musician in his music segment, that his work became relevant to the point of being recognized even by people who did not admire Jazz and who made harsh criticisms of Coltrane. However, these criticisms showed that his audience was growing and that his music was not limited to anyone.
