The song " The Stars and Stripes Forever " is a very famous song in the US.
The song was composed by John Philip Sousa in 1896.
By a 1987 act of the U.S. Congress, it is the official National March of the United States of America.
Here is the link to Wikipedia about this song: https://en.wikipedia.org/wiki/The_Stars_and_Stripes_Forever
Here is the YouTube link so that you can listen to the song: https://youtu.be/a-7XWhyvIpE?t=59
My questions are:
(1) If I hire some musicians to play this song so that I can record the song, and then play it on a commercial mobile phone app that I develop for sale. Is there a copyright violation in this case ?
For example, I want to develop a commercial mobile phone app that displays fireworks and plays this song for the Independence Day (July 4th).
(2) Who owns the copyright of this song ?
Is it true that no one owns the copyright because the song was created a long time ago (or more than 75 years ago ?
So, does this mean the song is in the public domain now, and anyone can use it in any commercial application ?
(3) Generally speaking, are there any other sensitive issues such as cultural or political issues if software company plays this song in a commercial app for sale (in a respectful and appropriate manner) ?