The phrase 'is a clear echo of' is correct and can be used in written English.
Generally, this phrase is used to describe something which has roots in a previous idea or concept. For example, you could say "The modern film industry's focus on sequels and remakes is a clear echo of Hollywood's Golden Age, when films were made in quick succession to capitalize on the public's enthusiasm for certain stories."
Marshall illustrated the genesis of "Sawdust Palace" by having four of her dancers perform a section from "Cloudless," called "Book," which was a clear echo of "Arms".
It's a clear echo of a lovely scene in "The Glenn Miller Story," in which everything locked into place at a performance of "Moonlight Serenade".
There's a clear echo here of The Social Network, which similarly counterpointed the rise of electronic information with the breakdown of communication between the co-founders of an online revolution, one nice, one nasty.
The coup de theatre is the finale of "Rock'n'Roll Suicide", where the dying star reaches out to the audience, imploring: "Gimme your hands, 'cause you're wonderful", in a clear echo of Puck's last words, a call for applause, in A Midsummer Night's Dream (first uttered by William Kempe): "Give me your hands, if we be friends / And Robin shall restore amends".
The proposed summer pairing of Chamberlin and Cumani is a remarkably clear echo of Mike Cattermole and Emma Spencer, who fronted Flat racing coverage together from 2010 to 2012, his journalistic background being well matched with her insider's knowledge.
This movement has echoed into our North American regions, and Disclosure's "Latch" is a clear example of a track appreciated by both ends of the spectrum.
Overacting is a clear sign of faking.
In a broadcast on December 27th, Worsley echoed the words of Shackleton: "Please God, ahead of us is a clear road to the Pole".
Afrobeat's insistent repetition and chattering horns were prominent, but so were clear echoes of a previous New York City take on Afrobeat: the sound of Talking Heads from that band's early-1980s "Stop Making Sense" era.
For such an American film, there are also clear echoes of British classics such as Great Expectations and Whistle Down the Wind.
