Crystal Ball,Amazon.com: Crystal Ball: CD 和黑膠唱片,Prince Crystal Ball - with Booklet US 4-CD set — RareVinyl.com,The Artist (Formerly Known As Prince) – Crystal Ball – 4 x CD (Clear Packaging, Limited Edition), 1998 [r447590] | Discogs,The Artist (Formerly Known As Prince) – Crystal Ball – 4 x CD (Clear Packaging, Limited Edition), 1998 [r447590] | Discogs