Set the tone with Eminem, Muddy Waters, Michael Jackson or your favorite artists the minute your visitors hit the doorbell button. You may even surprise yourself when the Tommyknocker Digital MP3 doorbell sounds off with your favorite song or sound effect. You’ll be instantly entertained and so will your guests, because you can change the audio files endlessly, whenever and whatever you want the Tommyknocker to play. So “Set The Tone” with the Tommyknocker Digital MP3 doorbell and never be bored with your old Ding Dong again!