"Who conducts the spring…

A riddle for the month of May is:

Q: Who conducts the spring orchestra?
A: May-stro.

“May-stro” is a joke on “maestro.” The riddle was posted on Fun Kids Jokes on March 20, 2019, and printed in the Fairfield (MT) Sun Times on May 2, 2019.

Fun Kids Jokes
May Jokes
March 20, 2019
(...)
Q: Who conducts the spring orchestra?
A: May-stro.

Newspapers.com
2 May 2019, Fairfield (MT) Sun Times, “Bo’s Choteau Tales” by Botella Rudolph, pg. 3, col. 1:
Q: Who conducts the spring orchestra? A: May-stro.

Twitter
Dan🔥
@V3Nandan
Who conducts the spring orchestra? May-stro.
8:21 AM · Apr 11, 2020

Twitter
Peter Tork Tribute
@TorkTweet
Your #SundaySillies. 😁 Enjoy! ❤️ ~ptfb team
#ShineOn #TorkTorch
Q: Which crime fighter likes May the most?
A: Robin

Q: Who conducts the spring orchestra?
A: May-stro.

Q: What season is it when you are on a trampoline in May?
A: Spring-time.
12:03 PM · May 3, 2020

Twitter
Funny Teacher
@SchoolJokesK_12
Who conducts the #spring #orchestra?... May-stro. https://bit.ly/2XTvOJa #HelloMay #May #music
7:21 PM · May 12, 2022

Twitter
Jimmy RevJim Olsen
@mybuddyjimmy
Who conducts the spring orchestra? May-stro! #LaughoftheDay
12:25 PM · May 26, 2023

“Who conducts the spring orchestra?”/“May-stro.”