Answer: If a piece of art is considered utilitarian, then it has a purpose or use. Although it may have a purpose, it may still be beautiful and the process necessary to create the piece can be respects and admired. If this is the case, a piece can be considered both utilitarian and fine art.
Answer: If the interval between two notes of a major interval (1 and 3) are decreased, then the interval becomes a minor interval (Flatten the 3rd of a major interval).