In 1982, WNEW-AM radio host Jonathan Schwartz conducted a superb interview with arranger Nelson Riddle, who was 61 at the time. Superb, because rather than impatiently thinking only of his next question, Schwartz was listening to Riddle and therefore was able to pepper his guest with revealing followup questions. The result displayed the highly articulate, gently elegant and modest side of Riddle. Here's Schwartz's interview:
Here's Part 1...
Here's Part 2...
Here's Part 3...
Here's Part 4...
Here's Part 5...
Here's Part 6...