Krzysztof January Krawczyk was a Polish baritone pop singer, guitarist and composer. He was the vocalist of a popular Polish band, Trubadurzy, from 1963 to 1973 when he started his solo career. His creative activity in the area of music was characterized by a combination of various music genres such as rock and roll, country music and rhythm & blues. His album To co w życiu ważne reached number one on the Polish Music Charts.