There are multiple artists named Castles:

1) Castles is the electronic/postrock/experimental project of Jan Zhan and
Jeffry Liu, based in Washington DC. Their albums 'Indifference' (2010) and
'Rowboat Villainy' (2011) can be found at http://castlesmusic.net.

2. Castles was a musical project of Matthew Sage (from M. Pyres) from 2005-2008. It
started in his parents' basement and ended on a stage in New York City.

3. Castles is the musical pen name of Cassidy “Thunderhorse” David-Weber, a
lo-fi songwriter from Milwaukee, Wisconsin (http://www.myspace.com/leschateaux)

4. CaStLeS is an alt-psychedelic rock band from Wales. http://castlesband.bandcamp.com/

5. Castles was a hiphop / rap project featuring Ryan Rockwell of Mixtapes. https://castlesohio.bandcamp.com/

6. Castles was a Belgian rock trio (featuring ex members of Beecher). They released their debut album, 'You, the Organ Grinder' in 2012.
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