In another version, transmitted solely by Rashdīn ibn Saʿd, it adds: he would recite and modulate his voice melodiously. (1)

Thābit narrated from Anas: We arrived in Basra with Abu Musa; during the night he rose for the night-vigil prayer (tahajjud). When morning came, he was told, “May Allah set the governor aright! If you had only seen your wives and relatives as they listened to your recitation!” He replied, “Had I known, I would have adorned the Book of Allah with my voice and embellished it most beautifully.” (2)

Abu ʿUthmān al-Nahdī said, “I have never heard a flute, a lute, or a cymbal sweeter than the voice of Abu Musa al-Ashʿarī. When he led us in prayer, we would wish that he would recite Sūrat al-Baqarah because of the beauty of his voice.” (3)

Hishām ibn Ḥassān related—from Wāṣil, the freedman of Abu ʿUyaynah, from Laqīṭ, from Abu Burdah, from Abu Musa—who said:
“We set out on a naval expedition and sailed until we were in the midst of the sea when we heard a herald calling, ‘People of the ship, stop so that I may tell you something.’ I stood and looked to the right and to the left but saw nothing, and he repeated the call seven times. I said, ‘Do you not see where we are? We cannot stop.’ He replied, ‘Shall I not inform you of a ruling Allah has taken upon Himself? Whoever makes himself thirsty for Allah’s sake on a hot day, it is Allah’s due upon Himself to give him drink on the Day of Resurrection.’”

He added, “Abu Musa was hardly ever encountered on a hot day except—”