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Dänemark| Label: | RCA PB 68257 |
| Genre: | Electronic, Pop |
| Style: | Modern Classical, Synth-pop |
| Format: | Vinyl (7") |
| A | I Know Him So Well Elaine Page & Barbara Dickson | 4:06 |
| B | Chess London Symphony Orchestra | 3:34 |
| Label: | RCA CHESS 3 |
| Genre: | Pop, Classical, Stage & Screen |
| Style: | Modern Classical, Theme, Ballad |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | I Know Him So Well Elaine Paige And Barbara Dickson | 4:06 |
| B | Chess London Symphony Orchestra | 3:34 |
| Label: | Polar CHESS M 4 |
| Genre: | Classical, Electronic, Stage & Screen |
| Style: | Modern Classical, Modern, Musical |
| Format: | Vinyl (12" , 45 RPM , Maxi-Single) |
| A | I Know Him So Well Elaine Paige And Barbara Dickson | |
| B1 | Chess London Symphony Orchestra » Featuring: Ambrosian Singers, The » Harp [Synthesized Harp]: Benny Andersson | |
| B2 | Quartet (A Model Of Decorum And Tranquility) Tommy Körberg , Elaine Paige , Denis Quilley And Björn Skifs |
| Label: | RCA CHESST 3 |
| Genre: | Classical, Pop, Stage & Screen |
| Style: | Modern Classical, Musical, Vocal |
| Format: | Vinyl (12" , 45 RPM , Maxi-Single) |
| A | I Know Him So Well Elaine Paige And Barbara Dickson | |
| B1 | Chess London Symphony Orchestra » Featuring: Ambrosian Singers, The » Harp [Synthesized Harp]: Benny Andersson | |
| B2 | Quartet (A Model Of Decorum And Tranquility) Tommy Korberg , Elaine Paige , Denis Quilley And Björn Skifs |
| Label: | RCA PC 68258 |
| Genre: | Classical, Electronic |
| Style: | Modern Classical, Modern |
| Format: | Vinyl (12" , 45 RPM) |
| A | I Know Him So Well Elaine Paige And Barbara Dickson | 4:12 |
| B1 | Chess London Symphony Orchestra, The » Featuring: Ambrosian Singers, The » Harp [Synthesized Harp]: Benny Andersson | 3:28 |
| B2 | Quartet (A Model Of Decorum And Tranquility) Tommy Körberg , Elaine Paige , Denis Quilley And Björn Skifs | 2:15 |
| Label: | RCA Victor CHESS 3 |
| Genre: | Electronic, Pop |
| Style: | Modern Classical, Synth-pop |
| Format: | Vinyl (Single , 7") |
| A | I Know Him So Well Elaine Page & Barbara Dickson | 4:06 |
| B | Chess London Symphony Orchestra | 3:34 |
| Label: | RCA 4045 |
| Genre: | Classical, Electronic |
| Style: | Modern Classical, Modern |
| Format: | Vinyl (12" , 45 RPM , Maxi-Single) |
| A | I Know Him So Well Elaine Paige And Barbara Dickson | |
| B1 | Chess London Symphony Orchestra, The » Featuring: Ambrosian Singers, The » Harp [Synthesized Harp]: Benny Andersson | |
| B2 | Quartet (A Model Of Decorum And Tranquility) Tommy Körberg , Elaine Paige , Denis Quilley And Björn Skifs |
| Label: | Polar CHESS 4 |
| Genre: | Classical, Pop, Stage & Screen |
| Style: | Modern Classical, Theme, Ballad, Musical |
| Format: | Vinyl (7" , Single) |
| A | I Know Him So Well Elaine Paige And Barbara Dickson | 4:06 |
| B | Chess London Symphony Orchestra | 3:34 |
| Label: | RCA PB 68257 |
| Genre: | Electronic, Pop |
| Style: | Modern Classical, Synth-pop |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | I Know Him So Well Elaine Page & Barbara Dickson | 4:12 |
| B | Chess London Symphony Orchestra | 3:28 |
| Label: | RCA 104383 |
| Genre: | Classical, Pop, Stage & Screen |
| Style: | Modern Classical, Theme, Ballad |
| Format: | Vinyl (7") |
| A | I Know Him So Well Elaine Paige And Barbara Dickson | 4:14 |
| B | Chess London Symphony Orchestra | 4:30 |
| Label: | RCA PB-14022 |
| Genre: | Pop |
| Format: | Vinyl (7") |
| A | I Know Him So Well | 4:08 |
| B | Chess (Instrumental) | |
| Label: | RCA PB-14022 |
| Genre: | Pop |
| Format: | Vinyl (7" , Single , Promo) |
| A | I Know Him So Well | 4:08 |
| B | I Know Him So Well | 4:08 |
| Label: | RCA JK-14022 |
| Genre: | Pop |
| Format: | Vinyl (7" , Single , Promo) |
| A | I Know Him So Well | 4:08 |
| B | I Know Him So Well | 4:08 |
