MAKKAH: They have been reverberating through the Grand Mosque in Makkah for centuries the soulful and soothing voices of muezzins calling the believers, and imams leading prayers five times a day. Dr. Mansour Al-Dajani, a researcher on the history of Makkah, told Arab News recently that the first call to prayer, at noon in the Grand Mosque, was delivered from the roof of the