Matsuda first debuted as an actress, however, in the 1979 dorama Odaiji ni. Although at first her parents didn't want their daughter in the idol business, they let Matsuda sign onto Sun Music Productions a year after her victory. Singing Sakurada Junko's ' Kimagure Venus', Matsuda would pass the Kyushu region auditions and eventually win the competition later on.
Matsuda Seiko started auditioning when she was in her first year of high school in 1978 for CBS Records' Miss Seventeen contest. Matsuda Seiko promoting Shining Star (2016)
