| Official |
|---|
| 1.7 | 2112: I. Overture / II. The Temples of Syrinx | 6:47 | Rush | Chronicles | Rush | Album + Compilation | | Anthem Records , Mercury Records , Vertigo | 838 936-2 |
| 1.7 | 2112: I. Overture / II. The Temples of Syrinx | 6:47 | Rush | Chronicles | Rush | Album + Compilation | | Anthem Records | AN2K-1060 |
| 1.7 | 2112: I. Overture / II. The Temples of Syrinx | 6:47 | Rush | Chronicles | Rush | Album + Compilation | | Mercury Records | P21-38936, P22-38936 |
| 1.7 | 2112: I. Overture - II. The Temples of Syrinx | 6:47 | Rush | Chronicles | Rush | Album + Compilation | | Anthem Records , Mercury Records , BMG Direct Marketing, Inc. , PolyGram | 838 936-2, D-224059 |
| 1.7 | 2112: I. Overture / II. The Temples of Syrinx | 6:47 | Rush | Chronicles | Rush | Album + Compilation | | Columbia House , Anthem Records | 786723T, CAN2K 1060 |
| 1.7 | 2112: a) Overture / b) The Temples of Syrinx | 6:47 | Rush | Chronicles | Rush | Album + Compilation | | Atlantic , Anthem Records | AMCY-327, AMCY-327~8, AMCY-328 |
| 1.3 | 2112 Overture / The Temples of Syrinx | 6:45 | Rush | The Spirit of Radio: Greatest Hits 1974–1987 | Rush | Album + Compilation | | Anthem Records | 6682510982 |
| 1.3 | 2112: I. Overture / II. The Temples of Syrinx | 6:45 | Rush | The Spirit of Radio: Greatest Hits 1974–1987 | Rush | Album + Compilation | | Anthem Records | 6682510972 |
| 1.3 | 2112: I. Overture / II. The Temples of Syrinx | 6:45 | Rush | The Spirit of Radio: Greatest Hits 1974–1987 | Rush | Album + Compilation | | Mercury Records | 440 063 335-2 |
| 1.3 | 2112: I. Overture / II. The Temples of Syrinx | 6:45 | Rush | The Spirit of Radio: Greatest Hits 1974–1987 | Rush | Album + Compilation | | Mercury Records | 440 063 335-2 |
| 1.1 | 2112 Overture / Temples of Syrinx | 6:48 | Rush | Guitar Legends | Various Artists | Album + Compilation | | Metro Triples | METRTCD814 |
| 1.3 | 2112 Overture / The Temples of Syrinx (Chronicles version) | 6:45 | Rush | The Spirit of Radio: Greatest Hits 1974–1987 | Rush | Album + Compilation | | Mercury Records | |
| 1.3 | 2112: I. Overture / II. The Temples of Syrinx | 6:45 | Rush | The Spirit of Radio: Greatest Hits 1974–1987 | Rush | Album + Compilation | | Mercury Records | HD440 063 335-2 |
| 1.3 | 2112 Overture / The Temples of Syrinx (Chronicles version) | 6:45 | Rush | The Spirit of Radio: Greatest Hits (1974–1987) | Rush | Album + Compilation | | Mercury Records | |
| 1.7 | 2112: I. Overture / II. The Temples of Syrinx | 6:47 | Rush | Chronicles | Rush | Album + Compilation | | Mercury Records | P2 38936 |
| 1.3 | 2112: I. Overture / II. The Temples of Syrinx | 6:45 | Rush | The Spirit of Radio: Greatest Hits 1974–1987 | Rush | Album + Compilation | | Mercury Records | B0011758-02 |
| Promotion |
|---|
| 1.7 | 2112: I. Overture / II. The Temples of Syrinx | 6:45 | Rush | Everything Your Listeners Ever Wanted to Hear by Rush… But You Were Afraid to Play | Rush | Album + Compilation | | Mercury Records | MK32 |
| Bootleg |
|---|
| 1.6 | 2112 Overture / The Temples of Syrinx | 6:43 | Rush | The Best of Rush | Rush | Album + Compilation | | | |