Space plays and stops
- Notes and intervals
- A#M3C##m3E#2G
A# Major 6, written A#6, is built from A#, C##, E# and G: the root, major 3rd, 5th and 6th.
Its 3rd and 6th, C## and G, are its guide tones: they say what kind of chord it is, so voicings are built around them and the root is often left to the bass.