Alexander Brandon has been played on NTS shows including Sega Bodega's Soundtrack Series, with Enemy Within first played on 29 September 2016.

Alexander Brandon (also known as Siren in the demoscene and tracker community, born September 24, 1974) is an American musician, former member of Straylight Productions, who composed music mostly for games produced by Epic Games, or games based on Epic technology, including Unreal, Unreal Tournament, Deus Ex, Tyrian, Jazz Jackrabbit 2 and the cancelled game Jazz Jackrabbit 3D. Brandon is also a voice actor, having been cast most recently for the parts of Ancano and Amaund Motierre in the Role Playing Game The Elder Scrolls V: Skyrim by Bethesda Game Studios.

Brandon started composing music at the age of 14 when he got an Ad Lib music synthesizer card for Christmas. He worked in several MOD music groups over his composing years in the late 1990s, including the Kosmic Free Music Foundation. During that time he also composed for several musicdisks such as Return to Stage 9.

Brandon has built several audio departments, starting with Ion Storm Austin in mid-2000. This was followed with an audio director position at Midway Home Entertainment in San Diego until 2007 when he started the audio department at Obsidian Entertainment. In February 2009 he built the audio department at Heatwave Interactive, also providing business development and overall media management. In April 2010 Alex launched Funky Rustic, an independent audio production studio, working out of Georgetown, Texas. Brandon lives in Georgetown, Texas with his family.

Alexander Brandon's influences include Peter Gabriel, Dream Theater, Frost*, Andrew Sega, Steve Vai, and Ozric Tentacles, among others.

During his tracker career, Alex has used several nicknames:

-1995: first tracks released under the name "Chromatic Dragon" -end of 1995: name changed to "Siren" -middle of 1996, during KFMF membership: name temporarily changed to "Sandman" -end of 1996: name changed back to "Siren"

Note that there were several (two or three) tracker musicians around the world, who have used the nickname "Sandman" independently of Alex.