Complex sentence: The group first recorded in July 1976 Recording dates from "Lost in Space" liner notes when they performed live in the studio, an event which was videotaped for TVOntario's "Night Music Concert" TV show, first broadcast on November 3.
Split into simpler sentences: The group first recorded in July 1976 Recording dates from "Lost in Space" liner notes. A few months later, TVOntario recorded an in-studio performance for the "Night Music Concert" TV show, first broadcast on November 3.