There are at least seven artists named Polar:
1) Polar (aka Polar.) is a hardcore / metalcore band from Guildford, UK, which formed toward the end of 2009. Members include: Adam Woodford (vocals), Fabian Lomas (guitar), Max O'Neill (guitar), Rick Keenan (bass) and Nick Jones (drums). They débuted with EP This Polar Noise (Feb 2011, A Wolf at Your Door), followed by album Iron Lungs (May 2012, A Wolf At Your Door). Their latest is single Inspire Create Destroy (May 2013, self-release).
They have gigged their hardcore punk / rock n roll fusion nationwide, leaving a lasting impression on audiences, with their vicious and exhilarating live shows.
Facebook page: http://facebook.com/thispolarnoise
2) Polar is the pseudonym of electronic music artist Kjetil Dale Sagstad (b. Meland, Norway - aka Jeff Dam and K). The project débuted with EP 37° C. and Falling (Aug 1999, Certificate 18), followed by double-A Biosfear / Implants (Nov 1999, Certificate 18). The latest album is In the End (Dec 2008, Warm Communications - Jun 2009, with additional tracks), and track High Voltage (Seba Remix) (Dec 2009, Warm Communications). Sagstad grew up in Meland, with former musical partner Teebee. Together they started Subtitles Recordings, which Teebee now runs by himself. He currently lives in San Francisco.
Other album releases include Still Moving (Nov 2001, Certificate 18) and Out Of The Blue (Jul 2002, Certificate 18) - as well as other EP/single releases on: Certificate 18 (alone and with Teebee), Subtitles Recordings, Breakbeat Science and Warm Communications.
Sites: YouTube / SoundCloud / Twitter / Facebook
3) Polar was a shoegaze / dream pop band from Gainesville, FL, United States, on Claire Records. Members: Kristy Moss, Ed Ballinger, Chuck Horne and Bryan Hoben. Releases include: A Future History of the Frigid Polar Night (1998) and Lies Set by the Polar Mob (1998). Later on Moss and Ballinger continued as Con Dolore.
Myspace page: http://myspace.com/polargainesville
4) Polar is a band from Valencia, Spain, which formed in 1994, they make slowcore mixed up with some post-rock. The band released five albums on Jabalina Música: Sixteen Second Communication (1998), A Letter for the Stars (2002), Comes With a Smile (2004), Surrounded by Happiness (2006) and Fireflies in the Alley (2006).
Official site: http://www.polartheband.com
5) Polar is the pseudonym of Irish born singer-songwriter Eric Linder, who lives in Paris, France and Geneva, Switzerland. He sings in English and French and has released four albums since 1996.
Websites: MySpace / Polar-Music.com
6) Polar is band from Cuernavaca, Mexico. Myspace: http://myspace.com/polarband
7) Polar is an emotive hardcore band from Rio de Janeiro, Brazil, which released one demo.