Credit: Future/Jen Rosenstein This year marks a decade since John Mayer teamed up with Grateful Dead singer and guitarist Bob Weir and drummers Mickey Hart and Bill Kreutzmann to breathe new life ...

John Mayer has a creative relationship with the Swiss watchmaker Audemars Piguet.Credit...Daniel Dorsa for The New York Times Supported by By Victoria Gomelsky When the guitarist John Mayer takes ...