Mississippi Queen, from their debut album Mountain Climbing!, was a roaring, bluesy classic that gave them their biggest hit – a US No 21 – and took up permanent residence on rock radio stations. The title track of their US Top 20 album Nantucket Sleighride (1971) was another totemic song, a doomy hard rock ballad about a nightmarish whaling voyage that became well known in the UK as the theme music from ITV’s current affairs programme, Weekend World.