If Youtube videos do not play reload the page, that's a Youtube bug.
Or maybe now, a few years later, it's a new bug ;-)

Colin Stetson - Who the Waves Are Roaring For (Hunted II)

Gabriel Johnson - Alone Together (The Home Sessions)

Gabriel Johnson - Only the Lonely (The Home Sessions)

Tuxedomoon - The Waltz

Polar Bear - Be Free