Live music series presented by Greg James and Dotty, as well as a different musical superstar guest host each week. Greg and Dotty are joined by former One Direction star Liam Payne. Along with his hosting duties, he also performs his latest single live in the studio and introduces performances from Swedish singer Mabel, British pop trio London Grammar - featuring the soaring vocals of front woman Hannah Reid, as well as grime pioneer Dizzee Rascal. Greg interviews the guests and features in a fun sketch with Liam Payne. Dotty keeps across the social media at #SLFN and gets out and about meeting music fans across the country.