| Label: | ZTT 9031-73237-0 |
| Genre: | Electronic |
| Style: | House |
| Format: | Vinyl (12") |
| A1 | Crazy (William Orbit Mix) » Producer: Trevor Horn » Remix: William Orbit | |
| A2 | Crazy (Acapella Mix) » Producer: Seal, Sean Chennery | |
| B1 | Crazy (Do You Know The Way To L.A. Mix) » Mixed By: Robin Hancock » Producer: Trevor Horn | |
| B2 | Crazy (Chick On My Tip Mix) » Producer: Paul Elsassa, Seal, Sean Chennery |
| Label: | Sire 9 41003-2 |
| Genre: | Electronic |
| Style: | Broken Beat, Downtempo, Synth-pop |
| Format: | CD (Maxi-Single) |
| 1 | Crazy (Single Mix) » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips, Trevor Horn » Producer: Trevor Horn | 4:30 |
| 2 | Crazy (William Orbit Mix) » Producer: Trevor Horn » Producer [Additional Production], Remix: William Orbit | 5:28 |
| 3 | Crazy (Acoustic Version / Instrumental Version) » Engineer: John Canham, Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips, Trevor Horn » Producer: Seal » Producer [Instrumental Version]: Trevor Horn | 6:53 |
| 4 | Crazy (A Cappella Mix) » Engineer: Sean Chennery » Producer, Mixed By: Seal, Sean Chennery | 3:26 |
| 5 | Sparkle (Extended Version) » Engineer: Paul Wright, Simon Cotsworth » Producer: Guy, Seal » Written-By: Sigsworth, Auerbach | 6:24 |
| 6 | Krazy » Engineer, Mixed By: Brian Malouf » Producer: Tim Simenon, Trevor Horn | 6:25 |
| 7 | Crazy (Do You Know The Way To L.A. Mix) » Engineer: Danton Supple, Robin Hancock » Mixed By: Robin Hancock » Producer: Trevor Horn | 3:50 |
| 8 | Crazy (Chick On My Tip Mix) » Engineer: Sean Chennery » Producer, Mixed By: Paul Elsassa, Seal, Sean Chennery | 6:45 |
| Label: | ZTT 9031-73155-0 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (12" , 45 RPM) |
| A | Krazy » Mixed By: Brian Malouf » Producer: Tim Simenon, Trevor Horn | 6:25 |
| B1 | Sparkle (Extended Version) » Engineer: Paul Wright, Simon Cotsworth » Producer: Gus Isidore, Seal | 6:24 |
| B2 | Crazy (Acoustic Version/Instrumental Version) » Engineer: John Canham » Engineer [Instrumental Version]: Ren Swan, Robin Hancock, Tony Phillips » Mixed By [Instrumental Version]: Tony Phillips, Trevor Horn » Producer: Seal » Producer [Instrumental Version]: Trevor Horn | 7:00 |
| Label: | ZTT 9031-73156-2 |
| Genre: | Electronic, Pop |
| Style: | Synth-pop |
| Format: | CD (Single) |
| 1 | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips, Trevor Horn | 4:30 |
| 2 | Crazy (Extended Version) » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Robin Hancock, Trevor Horn | 5:09 |
| 3 | Krazy » Engineer, Mixed By: Brian Malouf | 6:26 |
| Label: | ZTT 0-41003 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (12" , 33 ⅓ RPM , Maxi-Single) |
| A1 | Crazy (William Orbit Mix) » Mixed By, Producer [Additional]: William Orbit | 5:15 |
| A2 | Crazy (Extended Version) » Engineer: Ren Swan, Tony Phillips » Engineer, Mixed By: Robin Hancock » Mixed By: Trevor Horn | 5:06 |
| A3 | Crazy (Chick On My Tip Mix) » Producer, Mixed By: Paul Elsassa, Seal » Producer, Mixed By, Engineer: Sean Chennery | 6:45 |
| B1 | Krazy » Engineer, Mixed By: Brian Malouf » Producer: Tim Simenon | 6:25 |
| B2 | Sparkle (Extended Version) » Engineer: Paul Wright, Simon Cotsworth » Producer: Guy, Seal | 6:24 |
| B3 | Crazy (Do You Know The Way To L.A. Mix) » Engineer: Danton Supple » Engineer, Mixed By: Robin Hancock | 3:50 |
| Label: | ZTT 9031-73237-2 |
| Genre: | Electronic |
| Style: | Downtempo, Big Beat |
| Format: | CD (Single) |
| 1 | Crazy (William Orbit Mix) » Producer: Trevor Horn » Remix: William Orbit | 5:29 |
| 2 | Crazy (Acapella Mix) » Producer: Seal, Sean Chennery | 3:28 |
| 3 | Crazy (Do You Know The Way To LA Mix) » Mixed By: Robin Hancock » Producer: Trevor Horn | 3:52 |
| 4 | Crazy (Chick On My Tip Mix) » Producer: Paul Elsassa, Seal, Sean Chennery | 6:46 |
| Label: | ZTT ZANG 8 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips, Trevor Horn » Producer: Trevor Horn » Written-By: Seal | 4:30 |
| B | Sparkle » Engineer: John Canham, Paul Wright » Mixed By: Paul Wright, Trevor Horn » Producer: Guy, Seal » Written-By: Sigsworth, Auerbach, Seal | 3:36 |
| Label: | Sire 41003-4 |
| Genre: | Electronic |
| Style: | Downtempo |
| Format: | Cassette (Maxi-Single) |
| A1 | Crazy (William Orbit Mix) » Remix: William Orbit | 5:15 |
| A2 | Crazy (Extended Version) » Mixed By: Robin Hancock » Producer: Trevor Horn | 5:06 |
| A3 | Crazy (Chick On My Tip Mix) » Mixed By: Paul Elsassa, Seal, Sean Chennery | 6:45 |
| B1 | Krazy » Mixed By: Brian Malouf » Producer: Tim Simenon, Trevor Horn | 6:25 |
| B2 | Sparkle (Extended Version) » Co-producer: Sean Chennery » Mixed By: Paul Wright, Trevor Horn | 6:24 |
| B3 | Crazy (Do You Know The Way To L.A. Mix) » Mixed By: Robin Hancock » Producer: Trevor Horn | 3:50 |
| Label: | Warner Bros. Records PRO-A-4879 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (12" , Promo , 33 ⅓ RPM) |
| A | Crazy (Radio Mix) | 4:40 |
| B1 | Crazy (Instrumental) | 4:41 |
| B2 | Crazy (Dub) | 4:41 |
| Label: | ZTT 9 19298-4 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Cassette (Single) |
| A | Crazy » Producer: Trevor Horn | 4:30 |
| B | Sparkle » Co-producer: Gus Isidore | 3:36 |
| Label: | ZTT ZANG 8 SAM |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (12" , Promo) |
| A | Krazy (Extended Version) | |
| B1 | Sparkle (Extended Version) | |
| B2 | Crazy (Acoustic Version) |
| Label: | ZTT 9031-73154-4 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Cassette (Single) |
| A1 | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips » Producer: Trevor Horn | |
| A2 | Sparkle » Engineer: John Canham, Paul Wright » Mixed By: Paul Wright » Producer: Gus Isidore, Seal | |
| B1 | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips » Producer: Trevor Horn | |
| B2 | Sparkle » Engineer: John Canham, Paul Wright » Mixed By: Paul Wright » Producer: Gus Isidore, Seal |
| Label: | ZTT PRO-CD-4832 |
| Genre: | Electronic |
| Style: | Broken Beat, Downtempo, Synth-pop |
| Format: | CD (Single , Promo) |
| 1 | Crazy | 4:30 |
| Label: | ZTT ZANG 8 TX |
| Genre: | Electronic |
| Style: | House |
| Format: | Vinyl (12" , Single , 45 RPM) |
| A1 | Crazy (William Orbit Mix) » Producer: Trevor Horn » Producer [Additional] , Mixed By: William Orbit | 5:25 |
| A2 | Crazy (Acapella Mix) » Producer, Engineer, Mixed By: Sean Chennery » Producer, Mixed By: Seal | 3:30 |
| B1 | Crazy (Do You Know The Way To L.A. Mix) » Engineer: Danton Supple, Robin Hancock » Mixed By: Robin Hancock » Producer: Trevor Horn | 3:50 |
| B2 | Crazy (Chick On My Tip Mix) » Engineer: Sean Chennery » Producer: Paul Elsassa, Seal, Sean Chennery | 6:45 |
| Label: | ZTT ZANG 8 TX SAM |
| Genre: | Electronic |
| Style: | House |
| Format: | Vinyl (12" , Promo) |
| A1 | Crazy (William Orbit Mix) | 5:39 |
| B1 | Crazy (Bins Instrumental) | 3:52 |
| B2 | Crazy Seals | 6:46 |
| Label: | ZTT 9031-73154-7 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips » Producer: Trevor Horn | |
| B | Sparkle » Engineer: John Canham, Paul Wright » Mixed By: Paul Wright » Producer: Gus Isidore, Seal |
| Label: | ZTT 9031-73156-2 |
| Genre: | Electronic, Pop |
| Style: | Synth-pop |
| Format: | CD (Single) |
| 1 | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips, Trevor Horn | 4:30 |
| 2 | Crazy (Extended Version) » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Robin Hancock, Trevor Horn | 5:09 |
| 3 | Krazy » Engineer, Mixed By: Brian Malouf | 6:26 |
| Label: | ZTT 9031-73155-0 |
| Genre: | Electronic, Pop |
| Style: | Synth-pop |
| Format: | Vinyl (12" , 45 RPM) |
| A | Krazy » Mixed By [Uncredited]: Brian Malouf » Producer [Uncredited]: Tim Simenon, Trevor Horn | 6:25 |
| B1 | Sparkle (Extended Version) » Engineer: John Canham » Mixed By: John Canham, Seal » Producer: Guy, Seal | 6:22 |
| B2 | Crazy (Acoustic Version/Instrumental Version) » Engineer: John Canham » Engineer [Instrumental Version, Uncredited]: Ren Swan, Robin Hancock, Tony Phillips » Producer: Seal » Producer [Instrumental Version, Uncredited]: Trevor Horn | 6:56 |
| Label: | ZTT 7-19298 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7" , Single) |
| A | Crazy | 4:30 |
| B | Sparkle | 3:36 |
| Label: | ZTT PRO-CD-4879 |
| Genre: | Electronic, Pop |
| Style: | Synth-pop |
| Format: | CD (Promo , Single) |
| 1 | Crazy [Radio Mix] | 4:40 |
| 2 | Crazy [Instrumental] | 4:41 |
| 3 | Crazy [Dub] | 4:41 |
| Label: | WEA none |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Cassette (Promo) |
| A1 | Crazy (7"A) | 4:29 |
| A2 | Crazy (12"A) | 7:08 |
| A3 | Sparkle (12"B1) | 6:24 |
| A4 | Crazy (Accoustic) (12"B2) | 3:55 |
| A5 | Sparkle (7"B) | 3:36 |
| Label: | ZTT 9031-73154-4 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Cassette (Single) |
| A1 | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips » Producer: Trevor Horn | 4:30 |
| A2 | Sparkle » Engineer: John Canham, Paul Wright » Mixed By: Paul Wright » Producer: Gus Isidore, Seal | 3:36 |
| B1 | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips » Producer: Trevor Horn | 4:30 |
| B2 | Sparkle » Engineer: John Canham, Paul Wright » Mixed By: Paul Wright » Producer: Gus Isidore, Seal | 3:36 |
| Label: | WEA 1441 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7" , 45 RPM , Promo , Single) |
| A | Crazy | 4:32 |
| B | Crazy | 4:32 |
| Label: | ZTT WMC5-343 |
| Genre: | Electronic, Funk / Soul |
| Style: | Synth-pop |
| Format: | CD (Maxi-Single) |
| 1 | Crazy (7" Version) | 4:30 |
| 2 | Crazy (Extended Version) | 5:08 |
| 3 | Krazy | 6:26 |
| 4 | Crazy (William Orbit Mix) | 5:26 |
| 5 | Crazy (Acoustic Version) | 6:58 |
| 6 | Sparkle (Extended Version) | 6:23 |
| Label: | Warner Music Japan WPCR-2201 |
| Genre: | Electronic, Funk / Soul |
| Style: | Synth-pop |
| Format: | CD (Maxi-Single , Reissue) |
| 1 | Crazy (7" Version) | |
| 2 | Crazy (Extended Version) | |
| 3 | Krazy | |
| 4 | Crazy (William Orbit Mix) | |
| 5 | Crazy (Acoustic Version) | |
| 6 | Sparkle (Extended Version) |
| Label: | ZTT 9031-73154-4 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Cassette (Single) |
| A1 | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips » Producer: Trevor Horn | 4:30 |
| A2 | Sparkle » Engineer: John Canham, Paul Wright » Mixed By: Paul Wright » Producer: Gus Isidore, Seal | 3:36 |
| B1 | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips » Producer: Trevor Horn | 4:30 |
| B2 | Sparkle » Engineer: John Canham, Paul Wright » Mixed By: Paul Wright » Producer: Gus Isidore, Seal | 3:36 |
| Label: | WEA 9031-73154-7 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (7" , Single , 45 RPM) |
| 1 | Crazy » Engineer: Ren Swan, Robin Hancock, Tony Phillips » Mixed By: Tony Phillips, Trevor Horn » Producer: Trevor Horn » Written-By: Seal | 4:30 |
| 2 | Sparkle » Engineer: John Canham, Paul Wright » Mixed By: Trevor Horn » Producer: Guy, Seal » Written-By: Seal | 3:36 |
| Label: | Warner Bros. Records 0-41003 |
| Genre: | Electronic |
| Style: | Synth-pop |
| Format: | Vinyl (12" , 33 ⅓ RPM , Test Pressing) |
| A1 | Crazy (William Orbit Mix) | 5:25 |
| A2 | Crazy (Extended Version) | 5:07 |
| A3 | Crazy (Chick On My Tip Mix) | 6:47 |
| B1 | Krazy | 6:25 |
| B2 | Sparkle (Extended Version) | 6:22 |
| B3 | Crazy (Do You Know The Way To L.A. Mix) | 3:50 |
| Label: | ZTT 9031-73155-0 |
| Genre: | Electronic, Funk / Soul, Pop |
| Style: | Synth-pop |
| Format: | Vinyl (12" , Maxi-Single , 45 RPM) |
| A | Krazy » Mixed By: Brian Malouf » Producer: Tim Simenon, Trevor Horn | 6:26 |
| B1 | Sparkle (Extended Version) » Engineer: Paul Wright, Simon Cotsworth » Producer: Guy, Seal | 6:24 |
| B2 | Crazy (Acoustic Version/Instrumental Version) » Engineer: John Canham » Engineer [Instrumental Version]: Ren Swan, Robin Hancock, Tony Phillips » Mixed By [Instrumental Version]: Tony Phillips, Trevor Horn » Producer: Seal » Producer [Instrumental Version]: Trevor Horn | 6:57 |
| Label: | Not On Label (Seal) none |
| Genre: | Electronic |
| Style: | Progressive House |
| Format: | File (MP3 , Unofficial Release) |
| 1 | Crazy (Itay Kalderon & Tomer Maizner 2013 Remix) | 6:00 |
| Label: | Not On Label (Seal) none |
| Genre: | Electronic |
| Style: | Tech House, House |
| Format: | File (MP3 , Unofficial Release) |
| 1 | Crazy (Renato Borges vs. Joe K Remix) » Remix: Joe K, Renato Borges | 6:36 |