The song goes to say, say hello for me to all the martyrs, the song is clearly for the Egyptian policemen murdered by some secretive shadow group with questionable support. It's a "let's cry" song, the fife certainly gives that away, slow music and no rush...allowing one to sob. It's a sad tragedy when people get kills, but once you put a uniform you accept a risk--it does not mean you should be targeted, but you are given a weapon for a reason.
Now the bigger disaster is when Israel murders you while you are sitting home with your family about to break your fast. 20 seconds later, your body is flying in the street, and you are gone. This happened to too many families in Gaza--they do not need a song or a reward--it's with God. The timing of the attack on these Egyptian policeman serves one purpose to distract Egyptians form pouring their attention to Gaza.
شيرين - سلم عالشهدا | Sherine - Sallem A'al Shohada