Create your own musical light show with this unique Northlight Seasonal 40 Red Bells with Musical Christmas Light Set. You can set the lights to flash or cascade steady burning or dancing so many combinations make these lights the perfect decorating item. Beautiful on a tree but also ideal on mantles or railings. If one bulb burns out the rest will stay lit. These lights come with replacement bulbs, fuse, and 1 plug with end connector which allows you to stack multiple lighted items together, not to exceed 210 watts. The control box is designed to perform the following lighting effect: flashing, double dancing, single dancing, cascading, and combination. When the music is turned off the lights can be on combination or steady burning These lights play 21 classic Christmas tunes in harmonized sound; songs include: We Wish You A Merry Christmas, 12 Days of Christmas, O Come All Ye Faithful, Santa Claus Is Coming To Town, O' Christmas Tree, Rudolph the Red-Nosed Reindeer, The Little Drummer Boy, O Little Town of Bethlehem, God Rest Ye Merry Gentlemen Hark!, The Herald Angels Sing, Deck the Halls, First Noel, Angels We Have Heard On High, Silent Night, The First Noel, Jingle Bells, Joy to the World, Oh Christmas Tree, Frosty the Snowman, White Christmas, Here Comes Santa Claus, Silver Bells, and Winter Wonderland.