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…

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

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

Our webstore is now up and running.  We've got T-shirts and sunglasses available.  Downloads are available for purchase from our Recordings page.  You can buy our LPs and CDs from Revolver/Midheaven.  We're saving up money to record right 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…

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

Our new album "Heady Mental" will be released by Spiritual Pajamas on November 26.  It is available for pre-order from Revolver/Midheaven. 

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…