1. In contrast, the third dimension refers to the real world, so the two-dimensional music is animation music.

2. OP, ED, character songs, fan music, etc. created for animation are two-dimensional songs; music composed and performed by singers, singers and general composers are three-dimensional songs.

3. Two-dimensional songs are more colorful and content-focused. The three-dimensional songs largely depend on the singer's skill, but the quality will be more guaranteed.

4. The two-dimensional music style is changeable. The music of Chinese comics is mostly ancient, while the music styles of Japanese animations are changeable, and the music styles of games are mostly passionate. There is also music that does not have a real person, but is generated virtually or synthesized through computer recording and voice modification, such as the song "Swinging Onions".

The second dimension comes from the Japanese "second dimension (にじげん)", which means "two-dimensional". Among Japanese animation fans, it refers to the characters in animations, games and other works. In contrast, "Three-dimensional (さんじげん)" is used to refer to real-life characters.

Two-dimensional music is generally music that appears in animations and games or is derived from animations, including animation opening songs, ending songs, interludes, character songs and pure music. Music that is sung by netizens based on animation music or re-written and performed is also called two-dimensional music, which is a derivative of animation music.

Extended information:

Two-dimensional music is closely related to two-dimensional products, and two-dimensional music generally cannot exist independently of two-dimensional products. For people who love the second dimension, the world of the second dimension or the people who contain the elements of the second dimension all have some similar qualities, such as purity, simplicity, and positive energy. These can be said to be the core attributes of the second dimension culture.

Second-dimensional songs:

1. In "The Prince of Tennis", in order to welcome Tezuka back, Atobe Sanada produced a song sung by the characters in the anime - " Wonderful day". In this song, the voice actor not only has superb singing skills, but also brings out the charm of the voice itself to a great extent.

2. From the theme song "Xiaguang" of the Chinese comic "Elf Century". It tells the story of a group of pens who went through many hardships and defeated the big devil. The theme song "Xiaguang" is ethereal and graceful, without as many noisy elements as other anime songs.

3. The song from the anime "Fox Fairy Matchmaker" appears in the second chapter of "Fox Fairy Little Matchmaker", "Royal Power and Wealth". Wang Quan Fugui and Qing Tong knew each other in their previous life. Wang Quan Fugui led Qing Tong to break through the resistance and leave Wang Quan's house. The moment "Dream Returns" played, people couldn't help but cry.

Reference materials: Baidu Encyclopedia - Second Dimension

Reference materials: Baidu Encyclopedia - Second Dimension related

Reference materials: Baidu Encyclopedia - Three Dimensional World