The attached MP3 file is the recording of a very rare to conduct "haflah" or Live Concert of Mohamed Abdel Wahab
 singing his by then very popular song "Koll Dah Kan Laih".
He sang this song that he composed and tried that Nagat (Elsagheerah) sing it but he found later that he best sing
 it himself.  His trying Nagat to sing it is available in a separate location.