The Guardian's long-running Notes & Queries series invited readers to imagine what they would play if an alien landed and asked them, 'What is music?

' Participants are encouraged to select pieces that best represent the diversity and essence of music, ranging from classical compositions to contemporary hits.

The feature not only explores the universality of music but also highlights personal interpretations, cultural differences, and the emotional power of sound.Readers can submit their own suggestions and questions via email, with a selection of responses published weekly.This particular edition replaces a previously missed query from 24 May due to a production error.

The article underscores the imaginative and participatory nature of the series, offering a platform for reflection on the significance of music in human life and how it might be communicated to a being unfamiliar with Earthly culture.