Bedroom BPM: Meet The Startup Syncing Music To Running, Skiing And — Yes — Sex

Dream Weavrs: Elomeda Visviki and Lars Rasmussen, founders of Weav.

A few years ago, Lars Rasmussen got into trouble with his girlfriend, Elomida Visviki. They found quite an unusual solution to restore the peace—starting in the bedroom.

“We had a fight, it was my fault, again,” explains software engineer Rasmussen, 49, over lunch in Manhattan with Visviki. “Elo got to devise her punishment for me. And she had the bright idea to bring a metronome into our bedroom. And she said, ‘Lars, when I...