Singer explains why collaboration didn't make new LP 'Kings & Queens'
Singer's set is watched by Florence Welch, among others
Troubadour to tee-up album with new release
'Kings & Queens' set for September release
Songsmith also plays new material to massive crowd
Singer readies 'Kings And Queens' for autumn release
Wimbledon troubadour to hit the road this autumn
Singer previews new songs at festival
Wimbledon songsmith for one-off show