Jason Mraz reveals that the album, which comes four years after his last album Yes!, is inspired by little notes he wrote to his wife Christina Carano, who also features in the music video for Know's second single "Might As Well Dance." "My last album was called Yes!, I couldn't pass up the opportunity to call this album 'No.' But we're looking at the brighter side of things, so it's 'Know,' k-n-o-w as in knowledge is power," the singer details. "And this is really an album of love letters. Love letters that I wrote mostly to my wife, but also to myself to constantly remind myself that love is still the answer."