Tsuyoshi Mihara graduated from the Osaka University of Arts.
He was awarded the gold prize at the 22nd Italy Japan Vocal Concorso.
   In 1992, he won first prize at the 61st  All Japan Music Competition along with the  Masuzawa Award, the Fukuzawa Award, the Kinoshita Award, and the Matsushita Award. In the following year, after receiving the 4th Gotoh Memorial Cultural Award for New Opera Singers, he studied in Cologne with a scholarship granted by the Gotoh Memorial Cultural Foundation. Hitherto, he has been active with recitals, operas and performances with orchestras in and out of the country.
   Continuing his active career some of his performances include: Verdi's "Il Trovatore" in the role of Count di Luna, the Theater Hagen in Germany in 1995; "Attila" in the role of Ezio at Biwako Hall in 2001; participation in La Folle Journee au Japon Music Festival in 2005; the Salzburg Festival, with the Berlin Philharmonic and at the Torino Auditorium, in Hans Werner Henze's opera "The Betrayed Sea" in 2006.
   Concentrating on religious music by Bach and Handel of the Baroque period, he has also been singing Mozart, Hayden,Beethoven,Brahms, Faure', Puccini, Mahler and Orff, widening his repertoire from classical and romantic to contemporary music.
   He continues to develop his operatic repertoire, obtaining excellent reviews from the press. He is described as "a rare and outstanding talent", "a grand singer with a powerful and beautiful voice" and "a grand baritone".
   He was awarded the Osaka Culture Festival Award (Osaka Bunka-sai Award) for his recital "The World of Heine and Hakushu" at the Osaka Izumi Hall in November 2005. In addition he was awarded first prize of the 9th Shin Nami no Kai /Japanese Song Competition" , a Special Prize from the Yotsuya Fumiko Awards and the 7th Azuma Atsuko Award.
   Praised as a "baritone cavaliere" for his graceful voice, he has been gaining considerable recognition in and out of the country.
   He is a professor of  the music performance department at the Osaka University of Arts.