Kaitlin Austra Stelmanis ( Latvian: Keitija ?telmane, born 1985)  is a  Toronto-based Latvian Canadian musician, who has performed and recorded both as a solo artist and with the bands Galaxy and Austra.   Stelmanis identifies herself as  queer.  
She is classically trained and began performing in the Canadian Children's Opera Chorus at age 10.
She was subsequently a member of the band Galaxy, along with  Maya Postepski and Emma McKenna. 
Her debut album,
Join Us, was released by Blocks Recording Club, a Toronto-based artistic collective that has supported numerous artists through the years including Owen Pallett, Fucked Up and Bob Wiseman. Her debut single as a solo artist, "Believe Me", was released by  Loog Records and Vice Records on 22 June 2009.
In 2008, Stelmanis appeared on
Fucked Up's album . The Chemistry of Common Life She also contributed tracks to the compilation albums  and Friends in Bellwoods .
Friends in Bellwoods II
In 2011, she co-wrote and sang on the
Death in Vegas songs "Come Ride With Me", "Your Loft My Acid" and "Witchdance" from the album . Trans-Love Energies 
In 2016 Stelmanis delved deeper into writing lyrics and wrote her band Austra's album
Future Politics primarily alone. 
Katie Stelmanis told
that she "was obsessed with classical music" while growing up. She cites artists such as Interview Magazine Radiohead, Nine Inch Nails, and Claude Debussy, and Massive Attack as influences.  Additionally, she takes inspiration from  opera, Chicago house, and Detroit techno. 
Discography Galaxy 2006: I Want You to Notice (Self Released) Katie Stelmanis 7 inch 2008:
Fucked Up / Katie Stelmanis - Royal Swan Matador Records 2009: Believe Me (Loog, Vice Records) Compilations
"Jauna zvaigzne, v?rd? Austra". www.laiks.us . Retrieved .
"Writer: Stelmanis Kaitlin Austra, Performers: Austra". ACE Repertory, . American Society of Composers, Authors and Publishers (ASCAP)
?ildei, J?nis (8 February 2011). "Latvie?u izcelsmes m?zi?e pievienojas "Domino rec"=Latvian-born musician joins "Domino Records. "" TVNet (in Latvian).
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Jones, Charlie (26 June 2009). "Katie Stelmanis: "My parents were like 'You play too much!'"". Dummy.
Hudson, Alex (8 February 2011). "Katie Stelmanis's Austra Explore the 'Sleazier Side of New Wave' on Debut Album". . Exclaim!
Byrneson, Lindsey (7 March 2011). "An interview with Katie Stelmanis of Austra". . AfterEllen
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Potts, Danica (9 January 2017). "Music Monday: Katie Stelmanis of Austra: On building a better tomorrow and avoiding the apocalypse -- plus! The premiere of "Utopia (Jana Hunter Remix). "" . Lenny Letter
Millar, Erin (7 September 2006). "Rockers in a Straight Man's World - Canadian Dimension". . Canadian Dimension
Hodgson, Jaimie (29 May 2009). "Katie Stelmanis - Fucked Up Geek - Free MP3". . NME
"Death in Vegas: About". Death in Vegas Music.
Lau, Melody (18 January 2017). "Austra's Katie Stelmanis: 5 songs that changed my life". . CBC Music
Reese, Nathan (17 June 2013). "Austra Mounts Olympia". . Interview Magazine