FREQUêNCIA 396 HERTZ THINGS TO KNOW BEFORE YOU BUY

This is a simple approach to reference the pitch of different musical notes. Click on any on the frequencies to Perform a tone with that note/frequency, just make certain your volume is not set much too significant, the higher pitched notes may be Specially extreme.Os sons são fundamentais para o ser humano; representam a vida em toda a sua multip