Most famous version is by Bobby Day - same guy who sang Rockin Robin
> The song is little bitty pretty one written by Robert Byrd
> > I'm pretty sure it's the song "There Is a Mountain" by Donovan.
> > > What's the name of the song in it? The commercial has a bunch of different people making up the lyrics which are "mmmm mmm mmm mmm mmm". It's an old, well known song but I can't find it! Anybody know what I'm talking about?