James Last - James Last. Also known as "Hansi," (born Hans Last, 17 April 1929, in Bremen, Germany) is a composer and big band leader. His highly orchestrated style of happy and incessantly upbeat and uptempo music made his numerous records best-sellers in Germany and also in the UK. His composition, "Happy Heart," became an international success in interpretations by Andy Williams and Petula Clark. According to the British Hit Singles & Albums book, he has reportedly sold in excess of seventy million albums worldwide.