 As videotape was a new technology, CBS made a film-based kinescope of the show and played it back alongside the videotape, so that the broadcast could switch to the kinescope if problems were encountered with the tape; there were none.Videotape was a technology that had interested Crosby for several years.His company, Bing Crosby Enterprises, had investigated several technologies, ultimately investing in Ampex, the first company to demonstrate a practical broadcast-quality videotape system when it unveiled the first 2" Quadruplex videotape machine in 1956.