High on the slopes of Eden Valley, bright yellow and blue buckets squat between rows of vines. Pickers pedantically divide Riesling grapes row by row – yellow, blue, yellow, blue, yellow, blue. Overseeing the process, tasting the grapes, stand two of Australia’s best known Riesling makers. Clare Valley’s Jeffrey Grosset and Eden Valley’s Robert Hill-Smith work together each vintage before taking their chosen grapes – Jeffrey’s in the blue buckets and Robert’s in the yellow - and parting ways to crush and ferment the fruit at different locations. Debate follows, as the juice is assessed and the final, final, final blend is agreed upon. Each component, nearly identical at the start, undergoes a different conversion into wine, reflecting the personal differences of both men