| Country | JAPAN | Tracks 1. Sadness Part I (Radio Edit) 2. Sadness Part I (Extended Trance Mix) |
| Year of Release | 91.3.21 | |
| Label | Virgin | |
| Disc Type | Promotional/DJ CD-3 Single | |
| CD Packaging | Long Box [Snap Pack] | |
| Mirror Band | VJDP-10152-1-A1M V | |
| Catalog Number | VJDP-10152 | |
| Number Of Tracks | 2 | |
| Remarks | Virgin name across silver 3 inch disc in yellow lettering. Note different spelling of "Sadness" instead of "Sadeness". "SAMPLE" around center of disc in English and Japanese. Red sticker across bar code. |
| Country | JAPAN | Tracks 1. Sadness Part I (Radio Edit) 2. Sadness Part I (Extended Trance Mix) |
| Year of Release | 91.3.21 | |
| Label | Virgin | |
| Disc Type | CD-3 Single | |
| CD Packaging | Long Box [Snap Pack] | |
| Mirror Band | VJDP-10152-1-A1M V | |
| Catalog Number | VJDP-10152 | |
| Number Of Tracks | 2 | |
| Remarks | Virgin name across silver 3 inch disc in yellow lettering. Note different spelling of "Sadness" instead of "Sadeness". |
| Country | JAPAN | Tracks 1. Sadness Part 1 Ebi-Kuma Mix 2. Sadness Part 1 Meditation Mix |
| Year of Release | 1991 | |
| Label | Virgin | |
| Disc Type | Promotional/DJ CD Single | |
| CD Packaging | Clear Jewel Case with insert | |
| Mirror Band | VJPR-13-1-AIK V | |
| Catalog Number | VJPR-13 | |
| Number Of Tracks | 2 | |
| Remarks | Very rare disc - Distributed in conjunction with J-Wave Music Delivery 81.3FM Japan by Virgin Records. The distribution was limited only to a handful of J-Wave affiliates where the track was used for a national ad campaign. |