Liz Phair has released ‘Hey Lou’, her first new song in two years.The American singer’s latest effort is a heartfelt homage to both Lou Reed and Laurie Anderson and comes accompanied by a video that features puppet versions of both iconic artists.While the track itself features references to Anderson’s seminal classic ‘O Superman’, Phair says it is a behind-closed-doors look at their famous relationship.“Have you ever wondered what love looks like for your favorite celebrity couple behind closed