And when the SEH received the sefer, the Arbah Chayyot (four living beings) and the esrim v'arba'ah Zekenim (twenty-four Elders) fell down before the SEH (Lamb), each one having a nevel (harp) and golden ke'arot (bowls) full of ketoret (incense), which are the tefillos (prayers) of the Kedoshim.