^"MUSIC REVIEW; A Rock Band's Effects In a String Quartet Sound", The New York Times by Allan Kozinn, November 2, 2002 [1]نسخة محفوظة 6 مارس 2016 على موقع واي باك مشين.
^"A bold force in foursomes; The members of Ethel offer a different string-quartet sound, and not just because of their penchant for improvising, amplifying, commissioning and composing.", Los Angeles Times, by Kyle Glann, February 20, 2005 [2]نسخة محفوظة 13 مايو 2016 على موقع واي باك مشين.
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