I took a 360 video of our ride down the Forks of the Credit today. The video bit came out OK, but what was interesting was how well the microphone picked up the 955cc Triumph triple cylinder engine. Since it was out of the wind you get a front row seat to the mighty motor and its strange sonorous ways:
I've heard induction roar on a bike before, the Concours made a big whoosh, but the Tiger almost sings as it breaths. It must be a British engineering thing. Vulcan bombers used to howl when their air induction reached a certain point as well: