A musical echo is a piece of music where one part echoes or imitates another part.
This technique has been used in many pieces of classical music .
Such as the “Eroica” symphony by Beethoven and the Fifth Symphony by Tchaikovsky.
The use of this technique is mostly to create depth, contrast, and complexity in a composition.
One famous example is when Tchaikovsky uses an echoing passage to introduce his main theme at the beginning of his fifth symphony.
This technique can also be used to create a sense of mystery and drama, as in the opening bars of Beethoven’s “Eroica” symphony.
This is one reason why echoes are often found at climactic moments in music.