Welcome back to another edition of The Weekend Stream, The Second Disc’s review of notable catalogue titles making digital debuts, plus new works from legacy acts and even some personally curated favorites. We’ve got new tracks from John Mayer and Kacey Musgraves, a new tribute to a favorite Disney theme park, plus some holiday and even inspirational favorites. John Mayer, “Tom and Jerry” (Mercury) (Apple / Amazon) After five years out of the spotlight as a solo artist – instead co-leading Dead & Company up to a series of 60th anniversary shows for…