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
Ponderosa Ranch with a scale replica of the Cartwright ranch house and barn similar to the ones seen on television. A replica of Virginia City was later added. The original plan was to open the set to tourists once filming had wrapped. However, shuttling cast and crew up to Incline Village on a weekly basis became cost-prohibitive. Thus, only 15 episodes of "Bonanza" were shot there. A majority of ranch-specific scenes were shot on a sound stage at Paramount Studios in Hollywood. Outdoor scenes were filmed on location at nearby Big Bear Lake, Red Rock Canyon, Mojave, or eastern Kern County, California.