Question 1

Where is music hall?

Accepted Answer

music hall is in Chichibu, Saitama Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Her Blue Sky does music hall appear in?

Accepted Answer

music hall is a real place that appears in Her Blue Sky.

Question 3

Can I visit music hall?

Accepted Answer

Yes. music hall is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Her Blue Sky filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and music hall is one of those real places.