sentences:  Although each production ran for about ten minutes and required at least $18,500 to create, one exception was a video for the Esso Trinidad Steel Band, which ran about forty minutes.It also happens to be one of two films known by Parks to have survived since then, the other being a promotional video for Ry Cooder.Parks recorded only two albums during the 1970s, but he had performed on numerous albums recorded by friends who were working in or around the Los Angeles music scene—notably Harry Nilsson, whom Parks considered the "smartest guy" he had ever met in the music business.