NOT KNOWN DETAILS ABOUT MUSIC RELAXING CLASSROOM

In the event the musical commis­sion instituted by our government believes, for mathematical exigencies, that we should always reduce the 435 vibrations of French tuning fork to 432, the real difference is so smaller, Virtually imper­ceptible for the ear, which i associate myself most willingly with this.While some declare 440 Hz was released for

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