sentences:  Singapore Sling was formed in spring 2000 in Reykjavík, Iceland, by singer, songwriter and guitarist Henrik Björnsson, aided by his friend, guitarist Einar Þór Kristjánsson.Björnsson had some 8-track demos and wanted to create a band.One of these demos was "Overdrive", which surfaced online on the Iceland Airwaves 2001 official website, and later became "Overdriver", the opening track on their first studio album.