“Who’s Madeline?” remains the most pressing pop-music riddle of the year. Yet hot on its heels comes another burning query: why on earth was Randy Newman omitted from the New York Times’ list of the 30 greatest living American songwriters? Readers can easily substitute their own snubbed favorites—Tom Waits, Patti Smith, Billy Joel, Jimmy Webb, Jackson Browne, Stephen Schwartz, Beyoncé, or James Taylor