Formed in 1956 by Sven-Erik Magnusson, Sven-Ingvars is a music group from Sweden, often classified as a dansband, a Swedish term for a band that plays dance band music. The band released its debut EP in the early 60s. Later, they continued to impress the listeners with hit tracks like "Te' dans me' Karlstatösera" and "Fröken Fräken." In 1963, they performed as opening acts for the legendary band The Beatles during the height of Beatlemania.