We all cheer to the echo at every concert.

The linguist recorded several echo vowels to study how they change in whispered speech.

The echo sounder on the research vessel detected an underwater canyon.

The critics fell silent as the first notes swelled, and by the finale the audience rushed to their feet to applaud to the echo.

Astronomers studied the faint light echoes surrounding the supernova to learn about its past.

The old cathedral was re-echoing with the choir's voices as visitors filed in.

Her warning re-echoed through the chamber long after she left.

When the old rumor re-echoes through the corridors, forgotten secrets stir anew.

When her voice reached the canyon wall, it seemed to re-echo longer than before.

In the empty cathedral, the re-echoes of the choir lingered long after the last note.