P.A.Works - P.A.Works 20Th Anniversary Intro & Outro Theme Songs Collection - Japan 4 CDCredits: P. A. Works Description: P. A. WORKS, an animation production company celebrating its 20th anniversary in 2020, is releasing a theme song collection covering OP and ED theme songs from its past productions! The gorgeous songs will be revived in a 4 disc set! A total of 57 songs will be included.