Tiergarten had a single track from the album released through which label?
Tiergarten (EP): Tiergarten is a digital extended play (EP) recording by Rufus Wainwright, released under Geffen Records in the United Kingdom on October 29, 2007. Release the Stars:  Pet Shop Boys' Neil Tennant was the executive producer; the album was mixed by producers Marius de Vries and Andy Bradfield.
i don't know