He also recorded from Sayyiduna Abu Hurayrah (may Allah be pleased with him): "The one who raises his head before the imam, or lowers it." The narrators of the first narration are thiqat (trustworthy), except al-Tabarani's teacher al-Abbas bin al-Rabi' bin Taghlib, for I have not found anyone who has given his biography.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الصلاة / 2417