Glimpses of Bryant's day-to-day life reveal his unwavering focus on his goal. Among shots of him on the train, submerged in an ice bath, making smoothies with his young daughter, are close-ups of what appears to be a heart beating; the engine propelling him on. His expression is inward-looking; resolute.

And as the ad progresses, the energy changes. The scenes begin to switch in time to the music - a sliding soundbed that itself starts to incorporate the heart's regular thump to a greater and greater extent - so that we are carried along on Bryant's journey leading up to an event. Indeed, the music is vital to the spot's power, and it would be fascinating to know whether the excellent editing was designed to fit with it or the other way round.

Regardless, though, it's a terrific way to suggest Visa is also always beating away in the background, offering a

TBC