jan persson ("janne lucas"), born 3 october 1947 in gothenburg's gamlestad parish in gothenburg, sweden is a swedish pianist and singer, scoring several chart successes in sweden during the 1970s and 1980s. janne lucas participated at melodifestivalen 1980 with the song "växeln hallå", winning the contest. the upcoming year he participated with the song "rocky mountain" ending up third.