The Iliad by Homer Book 9 Page 12

Men-servants poured water over the hands of the guests, while pages filled the mixing-bowls with wine and water, and handed it round after giving every man his drink-offering; then, when they had made their offerings, and had drunk each as much as he was minded, the envoys set out from the tent of Agamemnon son of Atreus; and Nestor, looking first to one and then to another, but most especially at Ulysses, was instant with them that they should prevail with the noble son of Peleus.

They went their way by the shore of the sounding sea, and prayed earnestly to earth-encircling Neptune that the high spirit of the son of Aeacus might incline favourably towards them. When they reached the ships and tents of the Myrmidons, they found Achilles playing on a lyre, fair, of cunning workmanship, and its cross-bar was of silver.