Siw Malmkvist

Siw Gunnel Margareta Malmkvist is a Swedish schlager singer and actress popular in Scandinavia and West Germany. She had a number one hit in West Germany in 1964 with "Liebeskummer lohnt sich nicht" ("Lovesickness Is Not Worthwhile"), and on 18 July 1964 she became the first Swede to have a hit on the US Billboard Hot 100 chart, when "Sole Sole Sole", a duet with Italian singer Umberto Marcato, entered the chart, peaking at No. 58.