"Eventide brought out the Eclipse harmonizer in 2002, and I used that model for this effect for many years…" says Henry Kaiser, in [this article](http://www.premierguitar.com/articles/Henry_Kaisers_5_Essential_Effects), by Premier Guitar.
Annie Clark said in an interview for GuitarPlayer:
"On my original demo for that song, that guitar part is processed through an Eventide Eclipse. I used one of their really heavy filters on it so it would sound like neurotic little beats."
The website presents some of the equipment used by Elton John on his magnificent live performances.
Second page, last paragraph states that Eventide Eclipse is used to enhance Elton's Million Dolar Piano sound.
[This](http://www.guitarplayer.com/accessories/1019/five-top-guitarists-with-massive-pedalboards/49110) Guitar Player article details Andy Summer's signal path on the Police song, "Can't Stand Losing You." It includes an Eventide Eclipse on the solo.