Psycho CA in May

We are very excited to be playing at the Psycho California festival on May 16th at The Observatory in Santa Ana.  Three days of awesome heavy bands!  Our first show in Southern California in six years!  We're playing the same…

Fourth Album Finished

We have just finished mixing our fourth album.  More details to come.  

Oakland, May 17

We're happy to be playing in Oakland again.  Come grab a sparkling water with us. 

New LP "Heady Mental" Out Now

Our new album "Heady Mental" is now available in stores and online.  You can purchase vinyl and digital files from Revolver/Midheaven.  The songs were written in 2007/2008, recorded in 2009, and mixed in 2013.  Thank you for your patience…

Record Release Shows

We've got two record release shows coming up to celebrate Heady Mental!  Thanks to Alan Forbes for his radical imagery. 

New Album Out Soon

Mammatus is pleased to announce the upcoming release of our long awaited third album, "Heady Mental." It will be released in the coming months by Spiritual Pajamas. The album was recorded in periodic bursts of energy over the last…