Tamaru began her love of music in early childhood when she would listen to jazz and country music. In high school she formed a band and would later learn to compose music with the piano and guitar. Tamaru learned at Waseda University about psychology, philosophy, aesthetics, music history etc.[citation needed]
In 2006, Tamaru produced two albums with independent music, and debuted a commercial song “My Brand New Eden” of Shiseido. Tamaru has expanded her talent and has appeared in a commercial for Yebisu Beer “The Hop".[citation needed]
Her major debut single, “My Brand New Eden”, won #15 on Oricon chart and also was aired as ‘power-push’ by 26 FM radio stations in Japan.
