Singer/songwriters (and husband/wife) Aimee Mann and Michael Penn are preparing a one-two punch of concept albums, so to speak. Penn's disc Mr. Hollywood, Jr. -- 1947 focuses on post-WWII L.A. and will be out on his own Mimeograph Records 6/28. Mann's concept album, The Forgotten Arm (out on her own SuperEgo Records 5/3) was inspired by her love of boxing ...