and ECHO with the cries
of the wounded."
The Big Bang Theory Season 5, Episode 15
There's an ECHO.
Money Heist Season 3, Episode 8
but our war cries will ECHO through eternity.
Game of Thrones Season 2, Episode 10
It's the cavity's ECHO,
the subsurface humidity.
Money Heist Season 3, Episode 8
(GUNSHOTS ECHO)
Westworld Season 3, Episode 8