Famous since 1971 with his hit song "Schöne Maid", he also played in some comedies and was often seen on television.
Born in Baden-Baden, Marshall trained as an opera singer in Karlsruhe, graduating in 1965.
Rather than embarking on a career in opera, in 1971, Marshall had his first hit single with "Schöne Maid".
A year later, an English-language version was also released, titled "Pretty Maid".
[5] In 1976, he won Ein Lied Fur Den Haag with the song "Der Star" but in less than 24 hours, he was disqualified because his song was previously sung in public in 1973 by Nizza Thobi causing his spot in Eurovision to be taken over by the Les Humphries Singers.