The Palestinian Talmud on the Kedushah

Batyty [was leading the Prayer of Eighteen] and he was struck dumb while reciting the [liturgy preceding the Shema‘], “And the Ophanim [and the holy Hayyot with a noise of great rushing, raise themselves up toward the Seraphim and over against them offer praise and say, ‘Blessed be the Glory of the Lord from his place.’” This is the standard…