حَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا حَمَّادٌ، عَنْ حُمَيْدٍ، مِثْلَهُ لَمْ يَذْكُرِ التَّطَوُّعَ قَالَ كَانَ الْحَسَنُ يَقْرَأُ فِي الظُّهْرِ وَالْعَصْرِ إِمَامًا أَوْ خَلْفَ إِمَامٍ بِفَاتِحَةِ الْكِتَابِ وَيُسَبِّحُ وَيُكَبِّرُ وَيُهَلِّلُ قَدْرَ ق وَالذَّارِيَاتِ ‏.‏

The above-mention tradition has also been transmitted through a different chain of narrators by Humaid, but he did not mention the word “Supererogatory prayer” This version has

Al-Hasan would recite the Opening of the Book (Fatihat al-Kitab) in the Zuhr and 'Asr prayers, whether as an imam or behind an imam, and he would declare the glory of Allah (tasbih), magnify Him (takbir), and declare His oneness (tahlil) to the extent of [Surah] Qaf and [Surah] adh-Dhariyat.