This oral history interview with Masumi Timson was conducted by Sankar Raman and Giacomo Ranieri on March 19, 2018. The interview was recorded for The Immigrant Story, an organization that documents and archives the stories of immigrants and refugees in the United States. In this interview, Timson discusses her early life on Tokunoshima Island in Japan, including Japanese cultural practices and her early education. She describes her first time hearing the koto and her subsequent fascination with the instrument, as well as growing up in a musical family. She talks about studying koto music at Seiha Conservatory of Traditional Japanese Music while also studying English at Kansai Junior College (now known as Kansai Gaidai College) in Hirakata, Osaka. She describes the reception her koto performances received in Oregon and how that inspired her to become much more serious about her music. She talks about her marriage to Stephen F. Timson in 1977 and immigrating to the United States in 1991. She also describes some of the mechanics of the koto. She talks about teaching koto at the Willamette University Koto Club, performing in Oregon and Japan, and her longtime collaboration with Pink Martini. She also talks about her koto collection. She discusses her cultural and ethnic identity, particularly how the koto helps her keep her connection to her Japanese roots. She closes the interview by talking about the future of koto music in Japan, Japanese traditions and culture, and her koto students.