All of his recordings were made using the acoustic process , which required the recording artist to sing into a metal horn or funnel which relayed sound directly to a master disc via a stylus. Archived from the original on January 14, When the spin-off show debuted, it continued the storyline of the character and his family in his home city of Seattle, gaining new fans by the day. Brief candid glimpses of Caruso offstage have been preserved in contemporary newsreel footage.