If an alien landed and asked you: ‘What is music?’ what would you play for them?

Space oddities? Photograph: Danny Hu/Getty ImagesSpace oddities? Photograph: Danny Hu/Getty ImagesThe long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical conceptsIf an alien landed and asked you: “What is this thing you call music?” what would you play for them? And why? Heather, KentPost your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday.

Due to a production error, a new Notes & Queries question was not published on 24 May.