About Mandolin Music Library
About us
Plectrum Music Institute is a nonprofit organization dedicated to preserving, researching, and promoting mandolin music and its cultural heritage.
We operate the Mandolin Music Library, which collects, organizes, preserves, and makes available scores, books, periodicals, recordings, and other materials related to mandolin music. Through these activities, we seek to safeguard valuable historical resources for future generations and to support performers, researchers, students, and music enthusiasts.
Our purpose
Japan has developed one of the world’s most active mandolin music cultures.
Mandolin music in Japan is generally believed to have been introduced and promoted in the early twentieth century by Kenpachi Hiruma, who was then an instructor at the Tokyo Academy of Music. In 1915, Morishige Takei founded the Sinfonia Mandolini Orchestra and devoted himself not only to performance, but also to the publication of research journals, the organization of composition competitions, and other activities that contributed greatly to the spread of mandolin music.
Around the same period, mandolin clubs were established at universities throughout Japan. These student ensembles became one of the principal forces supporting the growth and development of mandolin music in the country.
Although these activities declined temporarily during and immediately after the Second World War, university mandolin clubs began to flourish again from around the 1960s. In 1968, the Japan Mandolin Union was established and has since contributed to the promotion of mandolin music through solo competitions, composition competitions, and other initiatives.
During the 1970s, orchestral works by Italian composers were increasingly arranged for mandolin orchestra, while Japanese composers created many new original works for the medium. This period marked one of the high points of mandolin music in Japan.
Although membership in some student ensembles has since declined, numerous amateur orchestras and ensembles have been formed by university graduates and other enthusiasts. These groups continue to sustain a wide range of mandolin activities across Japan today.
Mandolin Music in Japan
Throughout this long history, dedicated musicians, researchers, and enthusiasts have assembled extensive collections of valuable scores, books, journals, recordings, and other materials related to mandolin music.
Many of these collections, however, remain in private homes and are at risk of being dispersed or discarded due to the aging of their owners, changes in family circumstances, inheritance, or other factors.
Recognizing the urgent need to preserve this cultural heritage, we established the Mandolin Music Library to receive, organize, preserve, and research these valuable materials and to make them available for future performance, scholarship, and cultural activities.
Our mission is to preserve the irreplaceable heritage of mandolin music, pass it on to future generations, and contribute to its continued development.
We are also working to make the scores and materials in our collection widely accessible so that they may be used by performers, researchers, students, enthusiasts, and the wider public.
We sincerely appreciate your understanding and support.
As of July 2026, the Mandolin Music Library holds approximately 17,800 items.

