Esperanto was born in the late 19th century, and traditional customs back then was to give it a flag.. and an anthem! During the 100th congress in Lille in 2015, i've noticed with a friend of mine that the music of this anthem is quite military, a coulour in serious contradiction with the peacefulness of the lyrics.

Here is an arrangement with a new melody, slightly similar to the original, but in a form of waltz:

Click on the picture to listen (to the nasty piano-flute duet of mine!)

And here is the music score.