I think there is a tie between "April Showers" and "When does a bird sing".
Note the tie to the blue WH in POTUS tweets and the Q drop.
i think it's also interesting the April is often a STORMY month.
U.S. Army Tweeted "Minuteman"
Minutemen fought at Lexington & Concord.
Q posted "Lexington & Concord on April 2, 2018 (1 year delta)
The first shots of the Revolutionary War were fired at Lexington and Concord.
Buckle-Up