Conversation so far:
Who was Lorraine Gordon in relation to Thelonious Monk?
Gordon recorded the works of jazz artists such as pianist Thelonious Monk.
Who introduced Thelonious Monk to Lorraine Gordon?
Ike Quebec introduced Thelonious Monk to Lorraine Gordon and her first husband, Alfred Lion, the founder of Blue Note Records.
Did Thelonious Monk join Blue Note Records after meeting Lorraine Gordon?
Thelonious Monk made his first recordings as the Coleman Hawkins Quartet leader for Blue Note.
Did Thelonious Monk and Lorraine Gordon start dating?
Thelonious Monk married Nellie Smith.
How else was Lorraine Gordon important to Thelonious Monk?
In her autobiography, Lorraine Gordon spoke of the utter lack of interest in Thelonious Monk's recordings.
How did Lorraine Gordon get Thelonious Monk noticed?
Due to Thelonious Monk's reticence, Lorraine Gordon became his mouthpiece to the public.
What else was important about Lorraine Gordon in relation to Thelonious Monk?
Lorraine Gordon wrote to Ralph Ingersoll, the editor of the newspaper PM, and described Thelonious Monk as a genius.

Question: Why was his friend arrested?
Self-contained rewrite: Why was Thelonious Monk's friend arrested?