Declan McKenna performs Humongous at BBC Music Introducing Live 2017This video can not be playedTo play this video you need to enable JavaScript in your browser.Declan McKenna performs Humongous at BBC Music Introducing Live 2017CloseDeclan McKenna performs Humongous at BBC Music Introducing Live 2017.SubsectionEntertainment & ArtsPublished5 October 2017Shareclose panelShare pageCopy linkAbout sharingRead description