The aim of this study is to investigate city audio guides in Italian and in English from a multimodal perspective, focusing on the use of music. The audio guide genre is here described as a ‘soundscape’ (Van Leeuwen, T. (1999). Speech, Music, Sounds. London: Macmillan.), i.e. a composite semiotic system characterised by speech, music, and sounds. A Corpus of fifty professional city audio guides in Italian and in English has been qualitatively investigated in order to determine how music can be distributed within the audio guide script, whether and how it intertwines with speech, and the effects it may produce on the listener. The results show that music may be used to serve several purposes, and highlight in particular the roles played by m...