It’s a laid-back love-in and we’re all invited – we always knew these two kids would get it together. The Melbourne-Pennsylvanian alliance of Courtney Barnett and Kurt Vile sprang organically from the grooves of Vile’s Smoke Ring For My Halo, an album with deep personal resonance for Barnett. Her then band, CB4, ended up supporting Vile’s own Violators a couple of years later as his Wakin on a Pretty Daze record was taking hold in people’s consciousness, and the two became gradual friends over the ensuing years’ international festival circuit. Ideas were bounced, files were shared, and eventually Lotta Sea…