The Internet is full of Louis Armstrong top-ten lists, but we’ve noted that most of them seem to lean on the pop material and put “What a Wonderful World” at number one. To correct the balance a bit, this month’s playlist includes ten essential Armstrong pieces, with an emphasis on the early jazz landmarks.

“Cornet Chop Suey”: Armstrong did an amazing day’s work on February 16, 1926, recording five historic numbe...