Sonnet 8: Music to hear, why hear'st thou music sadly?

Music to hear, why hear'st thou music sadly? Sweets with sweets war not, joy delights in joy: Why lov'st thou that which thou receiv'st not gladly, Or else receiv'st with pleasure thine annoy? If the true concord of well-tuned sounds, By unions married, do offend thine ear, They do but sweetly chide thee, who confounds In singleness the parts that thou shouldst bear.…