* A vocal sample from the adult film ''Summer of '72''.<ref>https://youtu.be/wGKhFfMUTwc?t=120 . As noted in this video, excerpt * Background music from the adult film ''Summer of '72''<ref>https://youtu.be/wGKhFfMUTwc</ref>

* In the adult film [https://www.imdb.com/title/tt0128647/ "Summer of '72"] (which is the source of samples found in "[[Sixtyniner]]" / "[[Sir Prance

'''[http://www.spex.de Spex]''' Number 253, pp. 72-75

*The background music during the monologue sample of "Summer of '72" is eerily similar to the melody of "[[The Color of the Fire]]" / "[[I Love ...:35 from the adult film [https://www.imdb.com/title/tt0128647/ "Summer of '72"].

...found in the adult film [https://www.imdb.com/title/tt0128647/ "Summer of '72"] during the "Camberwick Green"<ref>https://www.youtube.com/watch?v=GTIWWup *[https://www.imdb.com/title/tt0128647/ "Summer of '72"] is also the source of the background music sample used in [[Niagara]] and

* The "Summer of '72" sample is from a love scene <ref> https://youtu.be/wGKhFfMUTwc</ref> perfo * "Summer of '72" is also the source of samples found in "[[Sixtyniner]]" / "[[Sir Prancelot

* [https://www.imdb.com/title/tt0128647/ "Summer of '72"] is also the sample source of the monologue sample used in "[[Sixtyniner]] ...usic) in the adult film [https://www.imdb.com/title/tt0128647/ "Summer of '72"] at 1:02:05<ref>{{#ev:youtube|wGKhFfMUTwc|480||||start=63|false}}</ref>.

...used in the adult film [https://www.imdb.com/title/tt0128647/ "Summer of '72"], at 17:44<ref>https://www.twoism.org/forum/viewtopic.php?f=2&t=14647</ref

|pages=72-75 ...ko Zwirner originally published April 2002 in Spex magazine Number 253 pp. 72-75.

|pages= 72-75 ...ori Shiba originally published July 2006 in rockin'on magazine issue 7 pp. 72-75.