The "friend" turned out to be pianist and composer Neil Ardley and the arrangement was of Duke Ellington's "In a Mellow Tone".
Neil Young | Neil Gaiman | Neil Armstrong | Neil Diamond | Neil Simon | Neil Finn | Neil Sedaka | Neil Smith | Neil Peart | Neil Morrissey | Vince Neil | Neil Patrick Harris | Neil Kinnock | Neil Jordan | Neil Armfield | Fred Neil | Neil Strauss | L. Neil Smith | Andrew Neil | Neil Sheehan | Neil deGrasse Tyson | Neil Postman | Neil MacGregor | Neil LaBute | Neil Hannon | Neil Bonnett | Cinnamon Girl (Neil Young song) | Christopher Neil | Sally O'Neil | Neil Lennon |
Macaulay has illustrated a number of other books, including the popular The Way Things Work (1988, text by Neil Ardley) which was expanded and rereleased as The New Way Things Work (1998).