Hotel Lobby sashayed into the Arts Club in June with DJ Mim of the Black Cab Sessions but this month it's the turn of party impressarios Anonymous and Karl D, DJs, producers and Flow Festival organisers from Helsinki, Finland, alongside London's Amateurism, and their boundary-free genre-jumping, boundless enthusiasm and back-to-back mixing skills. It's all about the party vibes, from diso and soulful tunes to classic house – with a smidgen of hip hop swagger.