The 9th (D) is provided by the open first string. Play a regular C chord and you’ll get Cadd9. The 6th (D) appears on the open fourth and first strings here, giving this chord an unusual feel ...
Need to entertain a baby on a long car ride? String up a bungee cord between the handles in the back seat. Then hang your baby’s favorite toys from it! It’s like a toy mobile that’s perfect ...