1. The background music of Hagen Farm during Halloween on Obi Island is "Croatian Fantasia" composed by composer Tonci Huljic. "Croatian Rhapsody" performed by Maksim Mrvica, the music uses a bright rhythm to describe the ruins in the ashes of Croatia after being baptized by war.

2. The background music of the gift shop is "Numar Pan'La Unu", a song sung by Cleopatra Stratan. The song is included in the album "La Varsta De" released on August 20, 2006. 3 Ani".

3. The background music of the furniture store is "Castle in the Sky", which is a pure music song composed, arranged and performed by Hisaishi. Collected in the special album "Sky Castle Castle イメージアルバム -空から下ってきたGirl-".

4. The background music of Huayun is "Canon". According to the different pitch differences of each part, it can be divided into Canon on the same degree, Canon on the fifth degree, Canon on the fourth degree, etc.; According to the length of the interval, , can be divided into one-section canon, two-section canon, etc.; in addition, there are various techniques such as accompaniment canon, transposed canon, retrograde canon, and reverse canon.

5. The background music of the clothing store is "Für Elise", an independent piano piece composed by Beethoven in 1810. It is a work dedicated by Beethoven to "Alice" as a memorial. This work was discovered by later generations in 1867 and was later included in the Supplement No. 59 of Volume 25 of "The Complete Works of Beethoven".

6. The background music of the Grand Theater is "Nocturne in E flat major", composed in 1830. It is the most popular and clearest of Chopin's nocturnes, and the style of the work is clearly revealed. There are traces of traditional nocturne.