Music Friday: In the oft-quoted first two lines of his 1996 hit, “Walls,” rock legend Tom Petty defines the essence of everyday life with this brilliant, yet simple, phrase: “Some days are diamonds / Some days are rocks.” Enjoy a live performance of "Walls" and learn more about the classic song at our daily blog. Click link, LIKE and SHARE. http://susaneisen.thejewelerblog.com/