Clingan ya kafa Voicebox Youth Opera lokacin da yake aiki a Kudancin Australia daga 1994 - 1996, kuma ya jagoranci reshen Canberra na Voicebox daga 1997 - 2002.
Tabbas, mafi rikitarwa na jumla shine "Clingan ya kafa Voicebox Youth Opera lokacin da yake aiki a Kudancin Ostiraliya daga 1994 - 1996 kuma ta tsara abubuwa da yawa na wasan kwaikwayo na kiɗa a wannan lokacin. "