Aidan Girt is a Canadian drummer for the Montreal-based post-rock collectives Godspeed You! Black Emperor, and Exhaust. He is also a solo electronic artist under the names OSB, 1-Speed Bike, and Bottleskup Flenkenkenmike and continues to record (with others) in Some Became Hollow Tubes.^[1]

In 1994, Girt co-founded Godspeed You! Black Emperor.^[2][3]

Girt, along with Gordon Krieger and Mike Zabitsky, formed the group Exhaust; they performed in Montreal for a short time and released a single in 1996. In 1998, the three released a self-titled album and, in 2001, a studio album, Enregistreur.^[4][5]

Girt played drums as a guest musician on the debut album of A Silver Mt. Zion in 2000.

As 1-Speed Bike, Girt released a number of solo albums and EPs, including El Gallito in 2004^[6][3]

In 2019 Girt began releasing music as a duo with guitarist Eric Quach under the name Some Became Hollow Tubes.

• F♯A♯∞ (Constellation Records, 1997)
• Slow Riot for New Zero Kanada (Constellation Records, 1999)
• Lift Your Skinny Fists Like Antennas to Heaven (Constellation Records, 2000)
• Yanqui U.X.O. (Constellation Records, 2002)
• 'Allelujah! Don't Bend! Ascend! (Constellation Records, 2012)
• Asunder, Sweet and Other Distress (Constellation Records, 2015)
• Luciferian Towers (Constellation Records, 2017)
• G_d's Pee at State's End! (Constellation Records, 2021)
• No Title as of 13 February 2024 28,340 Dead (Constellation Records, 2024)

• 230596 7" cassette (self-released, 1996)
• Exhaust (Constellation Records, 1998)
• Enregistreur (Constellation Records, 2002)
• Grenadilla Splinters (self-released, 2011)

• He Has Left Us Alone but Shafts of Light Sometimes Grace the Corner of Our Rooms... (Constellation Records, 2000)

• Droopy Butt Begone! (Constellation Records, 2000)
• I'm a Pretzel on a Stealth Mission to Kill the President (Broklyn Beats, 2002)
• Limp Penis (self-released, 2003)
• El Gallito (Broklyn Beats, 2004)
• Klootzak Keizer (Broklyn Beats, 2005)
• Someone Told Me Life Gets Easier in Your 50s (Broklyn Beats, 2005)
• A Swimmer in the Ocean Is Not Afraid of the Rain (Bully Records, 2006)
• Pashto Translator Needed (self-released, 2010)
• This Country is Torture (Bad Panda Records, 2011)
• Robbery (self-released, 2013)

• Untitled 12" (Toolbox, 2002)
• Looks Like Velvet, Smells Like Pee (Broklyn Beats, 2002)

• In 1988 I Thought This Shit Would Never Change (self-released, 2019)
• Keep it in the Ground (Gizeh Records, 2019)

• 1-Speed Bike on MySpace
• 1-Speed Bike on Bandcamp
• 1-Speed Bike on Constellation Records
• Some Became Hollow Tubes on Bandcamp