On Monday, at Angels & Kings, 500 E. 11th St., Pete Wentz, lead singer of Fall Out Boy, celebrated the release of their new album, “Folie à Deux.” From left, Patrick Stump, Fall Out Boy vocalist and rhythm guitarist, as well as indie producer of such bands as Gym Class Heroes; Wentz, and Alex Suarez, of Cobra Starship, another band produced by Stump. Wentz and his wife, Ashlee Simpson, recently celebrated the birth of their son, Bronx Mowgli Wentz. There was no lip-synching reported during the birth.