| Condition | Preowned |
| Manufacturer | Japan |
| Format | LP, OBI, Insert, Book, RP25-5670 |
| Date of release | 1988 |
| Barcode | RP25-5670 |
Collectible condition - M-/M-
Rare 1988 Japanese Edition in complete set
Introspective saw Pet Shop Boys introduce a new approach to the format of an album and its respective singles: each of the six tracks on the album's original track-listing is more than six minutes in length, and they were later edited to fit the more traditional format of a seven-inch single.
