Lau is a contemporary folk three-piece from Scotland, named after an Orcadian word meaning "natural light." The band is composed of Kris Drever (guitar, vocals), Martin Green (accordion, piano) and Aidan OÔRourke (fiddle). To date, the band has released two studio albums and a live album. Their debut album, Lightweights and Gentlemen, was released through Reveal Records in 2007. The band subsequently won the "Best Group" at the BBC Folk Awards, 2008. In December 2007, Lau recorded a live set at the Bongo Club, Edinburgh, and in early 2008, released Live. In 2008, they appeared at the Winnipeg Folk Festival, Vancouver Festival and the Calgary Folk Festival. In 2010, the group recorded and released a five-track EP, Evergreen, in collaboration with singer-songwriter Karine Polwart.