Four songs were singles with "Utopia" released twice. UK single info:

1. Lovely Head (May 22, 2000)

CD tracklist:
"Lovely Head" (Album version) - 3:49
"Lovely Head" (Staré Mesto mix) - 3:44
"Lovely Head" (Miss World mix) - 3:50


2. Utopia (October 16, 2000)

CD tracklist:
"Utopia" (Original mix) – 4:18
"Utopia" (New Ears mix) – 3:10
"Utopia" (Sunroof mix) – 7:40


3. Human (February 26, 2001)

CD tracklist:
"Human" (Single version) – 4:36
"Human" (Calexico vocal version featuring John Contreras) – 4:48
"Human" (Massey's Cro-magnon mix) – 5:55


4. Utopia (Genetically Enriched) (June 11, 2001)

CD1 tracklist:
"Utopia (Genetically Enriched)" – 3:49
"UK Girls (Physical)" – 4:48
"Human" (Live at the Ancienne Belgique) – 4:44

CD2 tracklist:
"Utopia" (Jori Hulkonnen remix) – 6:12
"Utopia" (Tom Middleton's Cosmos Vocal mix) – 8:16
"Utopia" (Tim Wright remix) – 5:09


5. Pilots (November 5, 2001)

CD1 tracklist:
"Pilots (On a Star)" – 3:55
"Lovely Head" (Album version) – 3:46
"Horse Tears" (Live at the Ancienne Belgique) – 5:37

CD2 tracklist:
"Pilots (On a Star)" – 3:55
"Lovely Head" (Staré Město mix) – 3:44
"Utopia" (Tom Middleton Cosmos Acid dub) – 7:19
"Pilots (On a Star)" music video

thanks