300,000 children under the age of 18 can have auditive dysfunction, unless it can be detected on time with an audiometry. But, for half the population that lives in the countryside, there are any place near to take the test.

So we create Radiometries: a musical round song that turned into a free audiometric test .

With simple sung commands, the song asks the children to respond with movement, like a choreograph. The commands are given in different frequencies and volume levels, the same used in a professional audiometry.

If the child does not respond one of these commands, there could be a problem and he should be taken to a doctor as soon as possible.

The Exito Foundation is committed to the development of early childhood in Colombia. And 17 of every 1000 kids under the age of 18 can loose their hearing. Detecting a problem at an early age with an audiometry is vital. However, there are a few factors that don't help us with that detection:

- A child is not conscious of his hearing problem.

- The government health system does not demand audiometric tests at public schools.

- 50% of the country population live in the countryside, far away for any audiometry center.

In a country where radio reach 98% of the territory, the Radiometries were broadcast in the hour when kids get home from school, reaching most of the target.

Radio stations complement the campaign with free mentions that set up the alert of the possible hearing problems in children, and gave health tips to make easier to detect problems.

Health radio programs assume the message as their own helping us to increase the alert.

Exito Foundation made the Radiometries tests to more than 36,000 children in more than 200 organizations in 72 towns, in 23 states of the country.