The finches on the islands were the same as the finches in Ecuador.
A mark or character used as a conventional representation of an object, function, or process, e.g. the letter or letters standing for a chemical element or a character in musical notation.
Correct me if I'm wrong but I think the answer is:
"They were white musicians and composers who were heavily influenced by jazz."
Hope this helps and God bless you!
1.The stock market crash of 1929
2. Bank Failures
3. Reduction of purchasing across the board.
Return to normalcy would be the answer