A-sharp major
noun
University
1
The theoretical major key with A-sharp as its tonic and the notes A#, B#, C𝄪, D#, E#, F𝄪, and G𝄪.
2
The major chord with a root of A-sharp.
The theoretical major key with A-sharp as its tonic and the notes A#, B#, C𝄪, D#, E#, F𝄪, and G𝄪.
The major chord with a root of A-sharp.