Several musicians contributed to the overall direction of the record, including The silt (Ryan Driver, Doug Tielli, Marcus Quin), Blake Howard and Eric Chenaux.

[5] In 2012, songs from Impossible Spaces were remixed by Zongamin, Mickey Moonlight, Eluvium, Max Gross, Larry Gus, Le Revelateur, Imugem Orihasam, Slow Hands and Tom Croose for 12"s on DFA Records, Constellation and Phonica.

The flip side, Everybody's Paris, featured guest lead vocal appearances by Dan Bejar (Destroyer) and Andre Ethier (The Deadly Snakes).

Collaborative projects include Dot Wiggin with the late Todd Fox, Glissandro 70 with Craig Dunsmuir,[7][8] Double Suicide with Ryan Driver, Continuous Dick with Adam Marshall and Andrew Wedman, and Off World with Lorenz Peter, Drew Brown, Susumu Mukai, MJ Silver and a host of others.

2001: Acqua/Oarca 2002: Riva/Rottura 2002: The Science of Breath 2003: Like Hearts Swelling 2005: Kiss Me Again and Again 2006: Plays Polmo Polpo 2007: Sandro Perri and Friends - European Tour 2007 2007: Tiny Mirrors 2011: Impossible Spaces 2012: Love & Light / The Drums (remixes EP) 2012: Changes / Love & Light (remixes EP) 2013: Spaced Out (remixes EP) 2018: In Another Life 2019: Soft Landing 2016: 1 2017: 2 2023: 3 1999: Cog / Polmo Polpo - split 12" 2000: Dot Wiggin - Dot Wiggin 2002: Tinketertoy / Polmo Polpo - split 12" 2005: Adam Marshall / Continuous Dick - Birth Of A Dick 12" 2006: Glissandro 70 - Glissandro 70