music: From which musical does the song Goodbye come?

Questions

Elvis once shot out his television set when this man appeared on tv.?

Elvis's personal doctor who was acquitted of over-prescribing Presley drugs.?

Elvis's personal number in numerology, which held great meaning for him.?

Listed as official cause of Elvis's death on his original death certificate.?

Strange 3-wheeled car manufactured in Germany, purchased by Elvis in 1956.?