Pluto (mythology) designed a set with a rotating mountain that opened up to reveal Pluto emerging from the underworld; the drawing survives and was the basis for a modern recreation. The tragic descent of the hero-musician Orpheus to the underworld to retrieve his bride, and his performance at the court of Pluto and Proserpina, offered compelling material for librettists and composers of opera (see List of Orphean operas) and ballet. Pluto also appears in works based on other classical myths of the underworld. As a singing role, Pluto is almost always written for a bass voice, with the low vocal range representing
What the Hell at number 11 on "Billboard" Hot 100. The song debuted at number eight on the Canadian Hot 100. "What the Hell" also debuted at number four of Canada's Digital Songs chart, with 16,000 downloads. The single becoming Lavigne's third best debut to date, following "Girlfriend" and "Keep Holding On". The song cracked the top-forty on Radio Songs, reaching number twenty-seven; her last single to chart on the Radio charts was "When You're Gone" (2007) at number thirty-seven. "What the Hell" surpassed this Radio Songs peak when it climbed to number thirty-four, being her most played song since "Girlfriend" (2007). As