| Label: | Parlophone 7243 8 81497 6 1 |
| Genre: | Rock |
| Style: | Indie Rock |
| Format: | Vinyl (12" , 45 RPM) |
| A | Happy Day (Carrot Cake Mix) » Engineer: Jim Abbiss » Engineer [Assistant]: Derek Fischer » Producer: Steve Killage | |
| B1 | Happy Day (7" Version) » Engineer: Jim Abbiss » Engineer [Assistant]: Derek Fischer » Producer: Steve Killage | |
| B2 | Everything Comes Everything Goes » Engineer: Chris Dickie » Producer: Steve Hillage |
| Label: | Parlophone 12RDJ 6385 |
| Genre: | Rock |
| Style: | Indie Rock |
| Format: | Vinyl (12" , Promo) |
| A | Happy Day (Carrot Cake Mix) | |
| B1 | Happy Day (7" Version) | |
| B2 | Everything Comes Everything Goes |
| Label: | Parlophone 7243 8 81497 2 3 |
| Genre: | Pop |
| Format: | CD (Single) |
| 1 | Happy Day (7" Version) » Engineer: Jim Abbiss » Engineer [Assistant]: Derek Fischer » Producer: Steve Killage | |
| 2 | Happy Day (Carrot Cake Mix) » Engineer: Jim Abbiss » Engineer [Assistant]: Derek Fischer » Producer: Steve Killage | |
| 3 | Everything Comes Everything Goes » Engineer: Chris Dickie » Engineer [Assistant]: Derek Fischer » Producer: Steve Hillage | |
| 4 | Hank » Producer: Aiden Foley, Blink |
| Label: | Parlophone CDRDJ 6385 |
| Genre: | Pop |
| Format: | CD (Single , Promo) |
| 1 | Happy Day (7" Version) » Engineer: Jim Abbiss » Engineer [Assistant]: Derek Fischer » Producer: Steve Killage | |
| 2 | Happy Day (Carrot Cake Mix) » Engineer: Jim Abbiss » Engineer [Assistant]: Derek Fischer » Producer: Steve Killage | |
| 3 | Everything Comes Everything Goes » Engineer: Chris Dickie » Engineer [Assistant]: Derek Fischer » Producer: Steve Hillage | |
| 4 | Hank » Producer: Aiden Foley, Blink |