Esko Richard "Riki" Sorsa (born December 26, 1952) is a popular pop Finnish singer. He has started his career in 1975 in the band ZOO. In Eurovision Song Contest 1981 has represented his country with the entry Reggae OK, a typical rock song in Finnish which has ended in 16th (20 countries). The song was composed by Jim Pembroke and the lyrics were by Olli Ojala, the conductor was Otto Donner. Despite his poor classification, Sorsa has continued his musical life, published several albums, with entries sung in Finnish, Swedish or English.