LOS ANGELES -- When John Mayer toured with the Dead & Company band, he lost some motivation to solely perform his songs as a concert tour headliner.Mayer grew more satisfied with blending in than standing out.“It was awfully cozy to play in Dead & Company, because I’m not in the center of the stage,” recalled Mayer, who toured with former Grateful Dead members Bob Weir, Mickey Hart and Bill Kreutzmann. “I have really grown to love that vantage point to musically make those contributions from that place.