THE LUSTY MONTH OF MAY
by Lerner and Loewe from "Camelot"   https://www.youtube.com/watch?v=cg4YrOlAkds

THE MERRY MERRY MONTH OF MAY
By Stephen Foster
http://www.stephen-foster-songs.de/foster053.htm

NOW IS THE MONTH OF MAYING
by Thomas Morley, 1595
https://en.wikipedia.org/wiki/Now_Is_the_Month_of_Maying

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Lusty Month of May from Lerner & Loewe's Camelot    https://www.youtube.com/watch?v=cg4YrOlAkds
Now is the month of maying", a Madrigal by Thomas Morley, performed by The King's Singers   https://www.youtube.com/watch?v=EwJLKdU50KE
The Merry,Merry Month of May ( S C Foster) - P.M.Adamson    https://www.youtube.com/watch?v=TDi39nkmj8s