Ballyhoo is a noun that refers to extravagant publicity or fuss.
The origin of ballyhoo is unclear, but we do know it emerged in the late 19th century. It’s a fun word to use when you want to sound like an old-school Hollywood producer or carnival barker.
The album was a big success thanks to the ballyhoo it was given by the label. Without all that publicity, I don’t think many people would have cared much about it