| Official |
|---|
| 1.1 | Happy Children (vocal) | 6:00 | P. Lion | Happy Children | P. Lion | Single | | Discomagic Records | AMD 004 |
| 1.4 | Happy Children | 6:01 | P. Lion | Springtime | P. Lion | Album | | CBS | S 26103 |
| 1.4 | Happy Children | 5:57 | P. Lion | Springtime | P. Lion | Album | | Carrère | 823 400-2 |
| 1.4 | Happy Children | 6:01 | P. Lion | Springtime | P. Lion | Album | | Discomagic Records | LP 191 |
| 1.4 | Happy Children | 6:01 | P. Lion | Springtime | P. Lion | Album | | Carrère | 66.164 |
| 1.4 | Happy Children | 6:01 | P. Lion | Springtime | P. Lion | Album | | Carrère | 76.164 |
| 1.4 | Happy Children | 5:40 | P. Lion | Springtime | P. Lion | Album | | Carrère | 823-400-1 |
| 1.7 | Happy Children | 5:56 | P. Lion | The Italo Disco Collection | Various Artists | Album + Compilation | | Galaxis | GLX 74001-2 |
| 1.7 | Happy Children | 5:56 | P. Lion | The Italo Disco Collection | Various Artists | Album + Compilation | | Galaxis | GLX 74001-2 |
| 2.2 | Happy Children | ?:?? | P. Lion | Italo Dance Classics, Volume 2 | Various Artists | Album + Compilation | | Arcade | 01 5120 22 |
| 1.2 | Happy Children | 5:54 | P. Lion | Italo Dance Classics, Volume 4 | Various Artists | Album + Compilation | | Arcade | 01 5122 61 |
| 1.9 | Happy Children | 5:52 | P. Lion | Golden Dance Classics | Various Artists | Album + Compilation | | ZYX Records | ZYX 70060-2 |
| 1.11 | Happy Children | 5:58 | P. Lion | disco disco | Various Artists | Album + Compilation | | Eurostar | 398 8042 2 |
| 1.6 | Happy Children | 5:55 | P. Lion | Sweets for My Sweet: 80's Hit Collection | Various Artists | Album + Compilation | | It’s Music | 22 570 |
| 1.5 | Happy Children | 5:55 | P. Lion | Italo Disco Classics Of The 80's Vol. 1 | Various Artists | Album + Compilation | | Disky | DCD 5422A |
| 2.1 | Happy Children | 5:56 | P. Lion | Italo Golden Classics | Various Artists | Album + Compilation | | ZYX Music | ZYX 50001-2 |
| 1.5 | Happy Children | 5:56 | P. Lion | The World of Disco Fever | Various Artists | Album + Compilation | | ZYX Music | ZYX 11036-2 |
| 2.3 | Happy Children | 5:57 | P. Lion | Dolce vita: Lo mejor del Italo‐Dance | Various Artists | Album + Compilation | | Bit Music | 32-515 |
| 1.11 | Happy Children | 5:55 | P. Lion | Kneipen Hits, die Zweite | Various Artists | Album + Compilation | | Disky | GDO 852122 |
| 1.9 | Happy Children | 5:55 | P. Lion | The Very Best of Italo Disco | Various Artists | Album + Compilation | | Disky | DC 886572 |
| 2.11 | Happy Children | 5:54 | P. Lion | The World of Disco Fox | Various Artists | Album + Compilation | | ZYX Music | ZYX 11141-2 |
| 4.1 | Happy Children | 5:55 | P. Lion | Disco Super Stars | Various Artists | Album + Compilation | | Disky | BX 857952, BX 857962, BX 857972, BX 857982, BX 857992, BX 858002, BX 858012, BX 858022 |
| 1.14 | Happy Children | 5:54 | P. Lion | IT 80: Italians Do It Better! | Various Artists | Album + Compilation | | Warner Fonit | 39842755528 |
| 1.5 | Happy Children | 5:53 | P. Lion | One Shot ’80, Volume 5: DanceItalia | Various Artists | Album + Compilation | | Universal | 153 509-2 |
| 1.11 | Happy Children | 5:55 | P. Lion | Peter’s Pop Hits 84–85 | Various Artists | Album + Compilation | | ZYX Music | |
| 2.19 | Happy Children | 5:55 | P. Lion | Top 50 | Various Artists | Album + Compilation | | Sony Music Media | VER 4982972 |
| 2.19 | Happy Children | 5:52 | P. Lion | Fetenkult: Italo Disco Party | Various Artists | Album + Compilation | | Ariola | 74321 77250 2 |
| 2.1 | Happy Children | 5:55 | P. Lion | Greatest Hits of the 70’s, 80’s & 90’s | Various Artists | Album + Compilation | | Disky | DB 995092 |
| 1.14 | Happy Children | 5:53 | P. Lion | Mes Soirées 80's Numéro 3 | Various Artists | Album + Compilation | | Universal Collections | 2000503 |
| 2.12 | Happy Children | 5:56 | P-Lion | Ultime 80’s Anthology | Various Artists | Album + Compilation | | Virgin France S.A. | 7243 850596 2 9 |
| 1.10 | Happy Children | 5:48 | P. Lion | Club 80’s Italia | Various Artists | Album + Compilation | | Wagram Music | 3069232 |
| 1.10 | Happy Children | 5:55 | P. Lion | Dos Décadas Dance | Various Artists | Album + Compilation | | Blanco y Negro Music | MXCD-1200 |
| 1.7 | Happy Children | 5:52 | P. Lion | Mes soirées 80’s spécial discothèque | Various Artists | Album + Compilation | | Universal Collections | 9404714 |
| 2.11 | Happy Children | 5:55 | P. Lion | Pop & Wave 2: More Hits of the 80's | Various Artists | Album + Compilation | | Sony Music Special Products | SSP 987884 2 |
| 2.19 | Happy Children | 5:55 | P. Lion | Top 50 | Various Artists | Album + Compilation | | Sony Music Media | SMM 510229-2 |
| 4.1 | Happy Children | 5:55 | P. Lion | Disco Super Stars | Various Artists | Album + Compilation | | Disky | BX 857952, BX 857962, BX 857972, BX 857982, BX 857992, BX 858002, BX 858012, BX 858022, SP 857942 |
| 4.1 | Happy Children | 5:55 | P. Lion | Disco Super Stars | Various Artists | Album + Compilation | | Disky | CB 792282 |
| 1.6 | Happy Children | 5:56 | P. Lion | Media Markt Collection: The 80s: Maxi‐Versionen | Various Artists | Album + Compilation | | Warner Strategic Marketing | 0927-44432-2 |
| 1.12 | Happy Children | 5:58 | P. Lion | Pop & Wave: Synth & Electro | Various Artists | Album + Compilation | | Sony Music Special Products | SSP 987889 2 |
| 1.7 | Happy Children | 5:56 | P. Lion | The Italo Disco Collection | Various Artists | Album + Compilation | | ZYX Music | GDC 74001-2 |
| 1.7 | Happy Children | 5:58 | P. Lion | The Italo Disco Collection | Various Artists | Album + Compilation | | Golden-Dance-Classics | GDC 74001-2 |
| 1.4 | Happy Children | 5:55 | P. Lion | Au coeur des années 80, N°3 | Various Artists | Album + Compilation | | Universal Collections | 9408242 |
| 1.11 | Happy Children | 5:52 | P. Lion | Hit Mania '80s, Volume 2 | Various Artists | Album + Compilation | | Hit Mania | 013/2 |
| 2.9 | Happy Children | 5:54 | P. Lion | Die Hit-Giganten: Italo Hits | Various Artists | Album + Compilation | | Sony Music Media | 5173942000, SMM 517394 2 |
| 2.9 | Happy Children | 5:54 | P. Lion | Die Hit-Giganten: Italo Hits | Various Artists | Album + Compilation | | Sony Music Media | SMM 517394 2 |
| 1.18 | Happy Children | 5:44 | P. Lion | Ataque Ochentoso 95.1 Metro, Volume 2 | Various Artists | Album + Compilation | | Universal Music AS, Norway | 982196-2 |
| 1.11 | Happy Children | 5:52 | P. Lion | Le Top : 20 ans de tubes, Volume 2 | Various Artists | Album + Compilation | | Universal Collections | 982 086-3 |
| 2.8 | Happy Children | 5:56 | P. Lion | Mastercuts of the 80’s | Various Artists | Album + Compilation | | More Music | |
| 1.7 | Happy Children | 5:55 | P. Lion | Disco Hits - The Greatest | Various Artists | Album + Compilation | | ZYX Music | ZYX 81835-2 |
| 2.6 | Happy Children | 5:55 | P. Lion | I Love Disco Crash 80's | Various Artists | Album + Compilation | | | |
| 1.12 | Happy Children | 5:56 | P. Lion | Disco Disco: Hits of the 80’s | Various Artists | Album + Compilation | | ZYX Music | ZYX 81927‐2 |
| 1.3 | Happy Children | 5:58 | P. Lion | Italo Disco Kult Hits | Various Artists | Album + Compilation | | Sony Music Catalog | 88697 30773 2 |
| 2.3 | Happy Children | 5:58 | P. Lion | I Love Disco Summer, Vol. 3 | Various Artists | Album + Compilation | | Blanco y Negro Music | MXCD 1799 (B) |
| 10.9 | Happy Children (maxi) | 5:52 | P. Lion | Années 80 : La Discothèque idéale | Various Artists | Album + Compilation | | Warner Music France | 5144 28829-2 |
| 3.15 | Happy Children | 5:51 | P. Lion | Top 100 anni ’80 | Various Artists | Album + Compilation | | | |
| 6.20 | Happy Children | 5:55 | P-Lion | La Plus Grande Soirée 80's | Various Artists | Album + Compilation | | Wagram Music | 3135582 |
| 2.4 | Happy Children | 5:52 | P. Lion | Reinas de la Noche | Various Artists | Album + Compilation | | Blanco y Negro Music | MXCD 1905 CD (CTV) |
| 1.2 | Happy Children | 5:54 | P. Lion | ZYX Italo Disco Collection | Various Artists | Album + Compilation | | ZYX Music | |
| 1.4 | Happy Children | 5:40 | P. Lion | Springtime | P. Lion | Album | | ZYX Music | ZYX 20917-2 |
| 1.5 | Happy Children (vocal version) | 5:59 | P. Lion | ZYX Italo Disco: Doubles, Vol.1 | Various Artists | Compilation | | ZYX Music | ZYX 82529-2 |
| 2.13 | Happy Children (extended mix) | 5:40 | P. Lion (Pado Pelandi) | I♥ZYX: Italo Disco Collection 12 | Various Artists | Album + Compilation | | ZYX Music | ZYX 82540-2 |
| 2.4 | Happy Children (extended) | 5:54 | P. Lion | Dance Classics: Italo Edition, Volume 1 | Various Artists | Album + Compilation | | Rodeo Media | RDM220 |
| 1.1 | Happy Children (vocal version) | 6:00 | P. Lion | ZYX Italo Disco: 12″ Collector’s Box, Vol.1 | Various Artists | Single + Compilation | | ZYX Music | MAXI BOX 1 |
| 2.8 | Happy Children (maxi version) | 5:56 | P. Lion | Kult! Präsentiert Modern Eighties: The Long Versions | Various Artists | Album + Compilation | | Sony Music | 88875 05216 2 |
| 1.13 | Happy Children | 5:50 | NEA! | Face to Face | NEA! | Album | | ZYX Music | ZYX 24008-2 |
| 1.4 | Happy Children | 5:59 | P. Lion | Springtime | P. Lion | Album | | ZYX Music | |
| 1.4 | Happy Children | 5:59 | P. Lion | Springtime (deluxe edition) | P. Lion | Album | | ZYX Music | ZYX 23015-2 |
| 1.5 | Happy Children (vocal version) | 5:58 | P. Lion | 80s Chart Hits - Extended Versions, Volume 3 | Various Artists | Album + Compilation | | ZYX Music | ZYX 82931-2 |
| 1.2 | Happy Children (Vocal Version) | 5:59 | P. Lion | ZYX Italo Disco: Hits & Rarities, Vol. 1 | Various Artists | Album + Compilation | | ZYX Music | |
| 2.8 | Happy Children (vocal version) | 5:50 | P. Lion | ZYX Italo Disco - Best Of - Volume 3 | Various Artists | Album + Compilation | | ZYX Music | ZYX 83061-1 |
| 1.8 | Happy Children | 5:53 | P. Lion | Fantastic Disco 3 | Various Artists | Album + Compilation | | | |
| 1.2 | Happy Children | 5:57 | P. Lion | Made in Italy | Various Artists | Album + Compilation | | | |
| Promotion |
|---|
| 1.4 | Happy Children | 6:01 | P. Lion | Springtime | P. Lion | Album | | Carrère | 823 400-2 |
| 1.14 | Happy Children | 5:53 | P. Lion | Mercedes Benz - Edition SL (Sampler) | Various Artists | Album + Compilation | | BMG Ariola Media GmbH | |
| 6.13 | Happy Children | 5:40 | P. Lion | Retrodance: The Greatest Dance Hits of the 80s & 90s | Various Artists | Album + Compilation | | Music Brokers | MBB7051 |
| Bootleg |
|---|
| 1.4 | Happy Children (vocal mix) | ?:?? | P. Lion | Forever Gold of 80’, Vol. VI | Various Artists | Album + Compilation | | [no label] | [none] |