Yahya related to me from Malik from Yahya ibn Said and from Rabia ibn Abi Abd ar Rahman that al-Qasim ibn Muhammad used to recite behind the imam when the imam did not recite aloud.
أَنَّ الْقَاسِمَ بْنَ مُحَمَّدٍ كَانَ يَقْرَأُ خَلْفَ الإِمَامِ فِيمَا لاَ يَجْهَرُ فِيهِ الإِمَامُ بِالْقِرَاءَةِ