A number of keyboard musical instruments using constructions similar to tuning forks have been made , the most popular of them being the Rhodes piano , which has hammers hitting constructions working on the same principle as tuning forks and uses electric amplification of the generated sound .
A number of keyboard musical instruments using constructions similar to tuning forks have been made , the most popular of them being the Rhodes piano , which has hammers hitting constructions working on the same principle as tuning forks .