Check out the Rain Drum umbrella! Rain drum is an innovative umbrella that features various kinds of sound, making the most interesting amusement for user during rainy days. The Rain Drum umbrella is an idea of the designer Dong Min Park. Now, you can use your umbrella to make music with the Rain Drum Umbrella. To make the sounds possible, it consists of five different sized wax-cloth made ‘shades’, with different elasticities. And depending on the elasticity and size of the ‘shades’, the frequency of sound emitted differs accordingly.