There are seven days in a week, seven notes in a diatonic scale of music, and then there is the seventh heaven...

The word music derives from the greek governed by the muses...

Pythagoras: ‘Musical sounds are like darts propelled by the Musician...’

Musica Instrumentalis - instrumental music

Musica Humana - music of the human organism, resonance between soul + body

Musica Mundana - the music made by the cosmos itself - music of the spheres