In 1978 Hans Cousto, a Swiss mathematician, is the concept developer of the harmonical planet spheres calculations into musical tuning data.
For more information about the Cosmic Octave Tuning, please visit the comprehensive website of Planetware.
Kosma Solarius was playing twice for 7 hours live at the Venus-Transit in 2004 and 2012.
The following video was recorded at the last Venus-Transit in 2012 at the Top Rock Bar Koh Phangan, Thailand. Pete Kearton (e-guitar) and Andreas Breuss (trombone) where joining Kosma Solarius for some hours of live improvisation with cosmic tuned electronic music.