1. "Bolero"

"Bolero" was created in 1928. It is Ravel's last dance work and his masterpiece in dance music. One of the finest works and a masterpiece of French symphonic music in the 20th century. It is an episode of the anime "Digimon".

2. "Brave Heart"

"Brave Heart" is a musical work by Aru Miyazaki, which is included in the album "Brave Heart ~Tri.Version~". It is an episode of the anime "Digimon".

3. "Keep on"

"Keep on" is a song written by NK, composed by Shoto Kigen, and sung by Ai Maeda. It is a song from the 1999 animation "Digimon Adventure" The ending theme is also the ending theme for the fourth chapter "Loss" of "Digimon Adventure tri." in February 2017.

4. "I wish"

"I wish" is a song sung by Ai Maeda, which was released on Fuji TV's animation "Digimon Adventure" in April 1999. The first ending song sung in. It was also used as the ending theme of the first chapter "Goodbye" of "Digimon Adventure tri." in November 2015.

5. "Butter-Fly"

"Butter-Fly" is a rock single sung by Koji Wada, with music and lyrics composed by Qian Mianwei, and written by Watabe Yuki. It is well known as the theme song of the anime "Digimon".