One of the traditions that enter your home when you have a baby is that of lullabies. Whether you’re singing them yourself or you have some form of electronic gadget blaring out tinny, beepy versions of “Rock-a-Bye Baby,” chances are that by the time you’re hitting the 12 week mark, you’re getting a little sick of “Twinkle Twinkle…” and its ilk. Here then are some suggestions for geekier songs you could sing to get tired wee ones off to the land of nod.