Tholus began in the early 90's combining the death metal influences of Carcass and Death with the avante-fusion elements of Frank Zappa and Chick Corea. Lost with the millenium, Tholus took a back seat in the evolution of metal reaching the point of non-existence. In 2004, a rejection letter from the World Wide Wrestling Federation inspired founder/composer Mike Johnson to return to music - and produce his most ambituous project to date. Although, in the end Mike was unable to finish the project, original member Dave Murray pursued the projects completion against all physical and financial barriers. Through a carefull distilation process musicians were hand selected to assemble the final product 

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The 2007 release was born 3 years overdue with an enormous labour period. Heading the endevour is producer/drummer/vocalist/throat singer Dave Murray (Estradasphere, Deserts Of Traun, Sculptured) accompanied by the intellectual guitar-manship of Wally Scharold and Rob Pumpelley (Mirthkon, Flying Luttenbachers). Rounding out the core group is Aaron Ortiz featured throughout as lead vocalist.

The surrounding mantle left room for guest appearances by lead guitarist Kevin Kmetz (Estradasphere, God Of Shamisen) lead fretless bassist Dan Robbins (Cedar Walton, Red Holloway, Deepak Ram) and auxillary bass harmonies by John MacMurphy.

Upon conception of Constant, Dave Murray had made contact with a long time Tholus inspiration - Richard Hogland (Monuments of Mars, CNN). Hoagland granted the band permission to use his voice throughout the record and inevitably his words further inspired the direction of the album, making the final product a thematic journey of blistering extraterrestrial approved death metal.  

Tholus remains in the Bay Area California, promoting, playing and concieving their next work. All the members stay insanely busy playing in many other music groups.