

That is done by special drill teams that do that exclusively. The average Marine or soldier just have six or so very basic things they do with their rifle. Those things are almost never done again after boot camp.
Those things are right and left shoulder arms, port arms, trail arms, and present arms. None of these require twirling.
I like 1990’s Japanese ska punk and I had hit a wall finding new bands since there isn’t a huge English language community for that stuff. With spotify I found ten new bands the first day. I do try to find a way to own the music I like through Bandcamp or through the Amazon MP3 store but I don’t know of another way to discover new music as efficiently.