Eiko Sato, known professionally as Epo and born on May 12, 1960 in Setagaya Ward, Tokyo, is a Japanese singer-songwriter. She released notable albums such as Hi・Touch-Hi・Tech (1984), ハーモニー (1985), Pump!Pump! (1986), Go Go Epo (1987), and Promises (1988). Subsequent releases include the singles "Life in Tokyo" (1990) and "When 2 R in Love" (1991), and the albums Fire & Snow (1991) and Wica (1992). In 2005, she released Golden☆Best Epo collected her enduring works. She has additionally performed with artists such as Akira Sakata and Kodo. In addition to her singing career, Epo has also practiced as a therapist.