1) WEIRD VIBRATIONS on Roentgenizdat Flexidiscs: "Sentimental Songs on X-Ray"
2) WFMU has written about ECHO twice: First in their Internet Museum of Flexi/Cardboard/Oddity Records, and then as a featured item in their 365 Days project.
3) OPEN CULTURE on "Dalilinguistics", Salvador Dalí's appearance in ECHO (with mp3 audio from Ubuweb)
4) Larry Adler performing St. Louis Blues: Audio and Video
Ethan Persoff (Twitter) is an archivist, sound artist and cartoonist. He maintains a website of odd documents, including "Comics with Problems" and an entire archive of Paul Krassner's The Realist. He resides in Austin TX.
Scott Marshall (Facebook) is an illustrator, sound artist, and art director, based in New York City. Previous projects include audio work for Woody Allen (Small Time Crooks), and the score for a full-length dance piece by choreographer Lar Lubovitch (Men's Stories).
For more information on this project, visit: John Wilcock, New York Years (1954-1971).