Va' har du under blusen, Rut? is a song written by (born 1950), and originally recorded by him releasing it as 1973 single with Porriga Billy acting as B-side. The song was also recorded by Schytts, releasing it as a 1974 single with En annan stad, en annan vän ("Another Town, Another Train") acting as B-side. and in 1974 it was also recorded by , , and . In 1974, the song was also recorded by the Streaplers, releasing it as a single and their version also charted at Svensktoppen for six weeks between 17 March-21 April 1974, peaking at fifth position. At , the song was performed by .