You tell me when you were a teenager, and I will calibrate the soundtrack to your early passions – and where the lyrics may steer you. Woody Guthrie's pan-American "This Land is Your Land" unified the nation in the 1940s, "from the Redwood Forest to the Gulf Stream waters". By the 1960s, Chuck Berry was prescribing a pair of transcontinental itineraries to California with "Route 66" and "Promised Land", while the golden beaches of the Golden State were harmoniously charted by the Beach Boys. REM put Athens, Georgia on the Eighties traveller's wish-list, while Nirvana put Seattle's teen spirit on the map in the Nineties.