The distinctive production of 80s records is a blessing and a curse - on uptempo dance tracks, canned chintzy sounds add to the fun, but on more serious songs they can be a distraction. Here are ten ballads that make the limitations of pre-modern pop work for them. The thin, trebly keyboards on “All Night Long’” and “Bette Davis Eyes” make Lionel Richie and Kim Carnes sound more human and vulnerable. “Broken Wings” steals hair-metal licks to build an atmosphere that’s both intimate and dangerous. “More Than This” is, simply, elegance defined.