Sirdoreus first began playing music in the Central Florida area with an alternative rock band before releasing his first solo album, Human Slushy, in 2002.
Initially conceived and recorded as what Sirdoreus describes as "a big ol' arena rock affair",[2] two years of work was scrapped and re-recorded in two days with Chris Zabriskie producing and playing drums.
[3] Sirdoreus has released one album a year since that time, including This World is Scary as Fuck, Life's So Hard, Normal Bias, Linda Lovelace for President, and Pop!
[5] Marc with a C performed at the Athens PopFest in 2008,[6] and made an appearance on WMBR's "Phoning It In" show shortly thereafter.
[10][11] In August 2021, it was announced that Needlejuice Records had acquired the rights to Marc's "canon" catalog for future reissues, following their releases of The Obscurity Trilogy in 2019 and Shock Treatment (Interpretations) in 2021.