English Title: beatmania IIDX 4th style -new songs collection-
Japanese Title: ビートマニアIIDX 4th style -new songs collection-
Publisher: Konami
Developer: KCE Japan West
Genre: Rhythm
Released: Mar. 29, 2001
Product Codes: VW028-J1 (SLPM-65026) / JAN 4988602078978

53 more tracks of IIDX fun. The subtitle might lead you to believe this is an Append disc like a lot of the PS1 Bemani games, but Konami thankfully abandoned that practice around the PS2's launch.