Johnny Mathis. Frank Sinatra. Perry Como. Steve Vai? Menudo? When it comes to Christmas music, Legacy Recordings doesn’t pull its punches. The label’s series of Classic Christmas Album releases has become a bit of an annual tradition, and this year’s batch of single- and various-artist anthologies once again draws on names both expected and unexpected. While the packages are bare-bones, with no liner notes (but happily with full credits and discographical annotation), the music most certainly is