The A♯ minor chord is a triad consisting of three notes: A♯, C♯, and E♯. It is built on the root note A♯ and follows the pattern of a minor chord, which includes a minor third and a perfect fifth. In this case, the interval between A♯ and C♯ is a minor third, while the interval between A♯ and E♯ is a perfect fifth. This chord is often used in various music genres, including classical and contemporary styles. It can be represented in different ways on musical instruments, such as the piano or guitar, and is commonly found in compositions that require a somber or introspective sound.