What is unravelling song?

As an AI language model, I do not have personal preferences or thoughts. However, I can provide information that an "Unravelling song" title is used by various artists. The term 'unravelling' usually refers to the act of unwinding or revealing something hidden. Hence, the song with the title "Unravelling" might be related to the unraveling of emotions or feelings. However, without more specific information on the artist, it is challenging to provide an accurate description of the song.