Plays a sound when someone puts down a feast. (From the movie Little Murders "Come and Get it!")
https://www.youtube.com/watch?v=t0w_yf2ttbY&feature=youtu.be&t=3m31s
Very helpful so you don't miss Feasts in raids, or accidentally put down a second one!
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I always loved the DinnerBell addon, but it hasn't been updated in quite a long time.
Original author https://wow.curseforge.com/projects/dinner-bell