Janis Joplin afternoon, October 4, 1970, producer Paul Rothchild became concerned when Joplin failed to show up at Sunset Sound Recorders for a recording session in which she was scheduled to provide the vocal track for the already-existing instrumental track of the song "Buried Alive in the Blues." In the evening, Full Tilt Boogie's road manager, John Cooke, drove to the Landmark Motor Hotel in Hollywood where Joplin was staying. He saw Joplin's psychedelically painted Porsche 356 C Cabriolet in the parking lot, and upon entering Joplin's room (#105), he found her dead on the floor beside her bed. The official cause
Janis Joplin Thrills" and on later occasions, used heroin. During the many long-distance telephone conversations that Joplin and Friedman had in September 1970 and on October 1, Joplin never mentioned Caserta, and Friedman assumed Caserta had been out of Joplin's life for a while. Friedman, who had more time than Grossman to monitor the situation, never visited California. She thought Joplin sounded on the phone like she was less depressed than she had been over the summer. When Joplin was not at Sunset Sound Recorders, she liked to drive her Porsche over the speed limit "on the winding part of Sunset Blvd.",