Hans Olle Lennart Andersson (born 28 January 1948) is a Swedish country singer and songwriter, whose albums had chart success in Sweden during the 1980s. He took part in Melodifestivalen 2015 in a bid to represent Sweden in Eurovision Song Contest 2015 with "Guld och gröna skogar". He came 3rd in semi-final 4, which took place on 28 February 2015 in Örebro, and qualified for the Second Chance round (Andra chansen) on 7 March 2015, where he dueled against Kristin Amparo.
https://en.wikipedia.org/wiki/Hasse_Andersson