Yes, EVENSONGS is a Scrabble word!

Letter values in Scrabble US: E 1, V 4, E 1, N 1, S 1, O 1, N 1, G 2, S 1.

Is it a valid word?

EVENSONGS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

the sixth of the seven canonical hours of the divine office; early evening; now often made a public service on Sundays
(Anglican Church) a daily evening service with prayers prescribed in the Book of Common Prayer

Also: evening prayer.