It's simple, if the music brings you bad thoughts/ideas in your head and it contain inappropriate content then it's forbidden but if it's talking about do good in community and it's for country and soldiers then there is nothing wrong listening to it...The best thing to do is just listen to Hammds (Talking about Allah) and Natts (Talking about Prophet Mohammad (S.A.W))... I hope I helped.
Volume 6, Book 61, Number 568: Narrated Abu Musa: That the Prophet said to him' ‘O Abu Musa! You have been given one of the musical wind-instruments of the family of David .’” This is reference to beautiful voice and NOT actual wind instrument.
The arguments this person has used seem to be based on twisting things to suite his purpose the view of ahlus sunnah, is very clear with regards to music. Below is an article addressing this point of view from the four famous imaams of Ahlus sunnah: http://www.troid.org/media/pdf/music.pdf.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.