Musannaf Ibn Abi Shayba 3:1268

Waki’ narrated to us, from Isra’il, from Jabir, from ‘Abd al-Rahman ibn al-Aswad, that al-Aswad and ‘Alqama used to recite aloud in the Dhuhr and ‘Asr prayers, and they would not perform the prostration (of forgetfulness).