The A#7sus2sus4/D is a fundamental dominant 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 A# seventh suspended second suspended fourth over D is built using the 1P, 2M, 4P, 5P, 7m intervals. In the key of A# Major, this chord functions as the I chord.