“My favorite Wrecking Crew member was Carol Kaye, the bassist.”
IIRC she improvised the hook for Nancy Sinatra’s “Boots”, basically the reason that song became a hit.
The Wrecking Crew was constantly working and made a ton of money.
According to the book, MacArthur Park was what they considered their masterpiece, but ironically it was also the beginning of the end -- the end of the 2 to 3 minute best-selling pop song that they had turned out by the hundred, and the beginning of the long songs that marked the rise of the album and singer-songwriter era.