CAIRO: Popular Egyptian singer Amr Diab is preparing for a concert tour in the United States and Canada. The first tour will begin on September 9 in San Francisco, while the second one will in Las Vegas on September 10. Third will be on September 16 in Texas. The first three parties will witness the participation of Arash, world superstar. The fourth party will be in Atlantic City on September 17 and the fifth in Detroit on September 23 and the last one, the sixth, will be in Canada.