Keiko Koizumi graduated from the Tokyo National University of Fine Arts and Music where she studied 
under Ryosuke Hatanaka. She continued her studies at the University and in 1981 she received a 
Masters of Music Degree in Vocal Performance. She also studied voice with Leopold Simonoux and 
Lenoir Hosack (who succeeded Lotte Lehmann) at the San Francisco Conservatory of Music under from 
1977-1978. She also studied with Vera Lozza, who taught Kiri Te Kanawa.
At the Tokyo National University of Fine Arts and Music Keiko Koizumi performed the soprano solo in 
Handel’s Messiah, the traditional oratorio performance at the university. Her graduation performance 
was recorded and broadcast on national radio.
In 1990 Keiko Koizumi took first prize at the first Sogakudo Japan Vocal Concourse.
In 1993 she was awarded the Mainichi Geijutsu Prize, Japan’s most respected artistic award, with her 
The Aonokai Concert of Akira Miyoshi’s songs.
Ongaku Geijutsu, a magazine which means the Art of Music, described her live recordings of 
Nietzsche’s songs released by Isao Harada in 1983, as “a superior disc,” and Record Geijutsu 
(Art on Disc) nominated it as “a recommended disc.”
Keiko Koizumi loves to perform religious and modern songs, Japanese songs, as well as operas, 
operettas, and musicals. She has performed numerous works with domestic and foreign orchestras in 
the leading concert halls in Japan. Her repertoire includes St. Matthew’s Passion and St. John’s Passion 
by Bach, Beethoven’s Ninth Symphony, and Requiems by Mozart, Brahms, Verdi, and Foure.
Keiko Koizumi has toured Italy and France where she sang not only opera arias, but Italian, French, and 
Japanese songs.
A number of her performances were nominated to appear on The Ten Best Concerts of 2003, 
a compilation album released in a special issue of Japan’s most popular music magazine 
Ongaku-nо-Tomo (Music Lovers). Nominations included her solo soprano concert performances of 
Taille Ferre Works, the Akira Miyoshi’s opera Tooi-Ho and an oratorio of Bach’s St. Matthew’s Passion.
Some of Japan’s most famous composers, including Megumi Onaka, shower her with new compositions. 
Keiko Koizumi records her albums with the Victor Entertainment Company. 
                 

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