Some famous singers during the 1920s were Bessie smith Louis Armstrong Ida cox amd al jolson they were all around 30 at this time and were famous jazz singers.
One of the greatest, and very underrated, singers in Rock 'n' Roll - Joe Lynn Turner. If you don't know him by name chances are you have heard him sing. He has fronted bands such as Rainbow, Deep Purple & Yngwie Malmsteen, as well as being a solo artist.
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.