Bonanza song, the Livingston-Evans lyrics were revised by Lorne Greene with a more familial emphasis, "on this land we put our brand, Cartwright is the name, fortune smiled the day we filed the Ponderosa claim" ("Bonanza", Bear Family Box set, Disc #2). In 1968, a slightly revamped horn and percussion-heavy arrangement of the original score introduced the series- which was used until 1970. A new theme song, called "The Big Bonanza" was written in 1970 by episode scorer David Rose, and was used from 1970–1972. Action-shot pictorials of the cast replaced the galloping trio. Finally, a faster rendition of the original
Bonanza 1857), "Bonanza" is also set in what in real life would have been Utah Territory. Several early episodes have fallen into the public domain. These episodes have been released by several companies in different configurations, with substandard picture and sound quality, edited, and by legal necessity with the copyright-protected Evans-Livingston theme song replaced with generic western music. In 1973, NBC licensed the distribution rights to the series, along with the rest of its pre-1973 library, to National Telefilm Associates, which changed its name to Republic Pictures in 1986. Republic would become part of the Spelling Entertainment organization in 1994 through