What is the fine-grained topic of the following text: In other Disturbed news, someone recently made a viral video that shows Lady Gaga “singing” Disturbed’s signature The Sickness single “Down With The Sickness” in a crazy movie preview mash-up of A Star Is Born. Only return the topic.
Viral video of Lady Gaga "singing" Disturbed's song in a movie preview mash-up.