You might rightly say these were bookends. The cold open was Paul Simon and Sabrina Carpenter performing a duet of “Homeward Bound” — a song that is, itself, approaching its 60th birthday.

Starting with the "Sound of Silence", the pair talked of their troubles and triumphs through songs we all know and love including "Mrs. Robinson", "Cecilia" and "Homeward Bound". Like many artists ...