what is the musical structure of the song?
"Hung Up" is set in common time, and has a moderate dance-beat tempo of 120 beats per minute.
Hung Up
According to Musicnotes.com, "Hung Up" is set in common time, and has a moderate dance-beat tempo of 120 beats per minute. 
madonna every little thing that you say or do UNANSWERABLE what is "hung up"? It is a song by American singer Madonna
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Hung Up [SEP] Music structure and lyrics
and the Tom Tom Club. According to Musicnotes.com, "Hung Up" is set in common time, and has a moderate dance-beat tempo of 120 beats per minute. The key of the song is in D minor with Madonna's vocal range spanning from G to B. The song progresses in the following chord progressions of Dm–F–C–Dm in the verses and Dm–F–Am–Dm in the chorus, and changes to B–F–A–Dm for the bridge. "Hung Up" uses the sound of a ticking clock to symbolize fear of wasted time, which was incorporated by composer Stuart Price, from his remix of Gwen Stefani's 2004 single "What You Waiting For?".