Music, Nasheeds and Nazams

Q: I do believe that singing or listening to songs are forbidden in Islam. But one of my friends needs a reference from the six main books of Hadith or any other books of Hadith. He wants to show to his friend as well.

Q: Is it permissible to use the prizes won from a music competition. The host plays a song and prizes are given for knowing the name of the song, artist, etc. No money is paid to enter the competition.