Towering tenor Jon Vickers delivers masterful renditions of four operatic heroes: Handel"s "Samson," Beethoven"s Florestan from "Fidelio," Britten"s "Peter Grimes" and Verdi"s "Otello." Filmed at the National Arts Center in Ottawa. 90 min. Standard; Soundtrack: English Dolby Digital mono; Subtitles: English.