OT.filter - wbs solemnity:

wbs@Deuteronomy:31:10 @ And Moses commanded them, saying, At the end of every seven years, in the solemnity of the year of release, in the feast of tabernacles,

wbs@Isaiah:30:29 @ Ye shall have a song, as in the night, when a holy solemnity is kept; and gladness of heart, as when one goeth with a pipe to come upon the mountain of the LORD, to the mighty One of Israel.