The C#maj7sus2sus4/A# is a fundamental major chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the C# major seventh suspended second suspended fourth over A# is built using the 1P, 2M, 4P, 5P, 7M intervals. In the key of C# Major, this chord functions as the I chord.