Samsung Galaxy S3 : How to Fix No Notifications Tone when Receiving Incoming Message or Email

One of the insider (how I call the inside-galaxy's visitors) named Mr. Walsh was wrote an email to me and asked why his Samsung Galaxy SIII not play a tone when receiving an incoming message or email, eventhough he had set the message tone and email tone on his phone. Well, if you're also experiencing the same problem with him, then there are a few things that you should check on your phone to