The Rosslyn Pentagrams

Notice the pentagrams underneath the cherubs. This represents the orbital "rose" geometry of Venus - a kind of chair upon which the Queen's children sit and play their celestial music.

Pentagrams2
Perhaps this piece, entitled The Transit of Venus 2012 composed by Scottish composer Stuart Mitchell, is what they are playing. Enjoy the rest of this most significant event.

http://tjmitchell.com/stuart/audio/The_Transit_of_Venus_2012.mp3