The background music of "Lonely Tango", which is very popular on Douyin, is "I'm Not Laughing". "I'm Not Laughing" is a Korean song. It is a male and female chorus song, and it is also A rap song, sung by female singer Ali and Korean Hip-Hop group leessang.

Although the song "I'm Not Laughing" was released in 2005, it was also very popular in South Korea at the time. However, it became popular in China because of the top spot on Douyin. A video posted by user Erdangjia.

At the end of 2019, the second master danced a tango in a video, and it was still on a snowy night, and the background music of this lonely tango was "I'm Not Laughing", and it was also because of this that "I "Not Laughing" is a Korean song that quickly became popular in China.

In addition to the beautiful song "I'm Not Laughing", the little brother's dancing in the video released by Erdangjia is also great. As the number of viewers increases, the dance of Solitary Tango has also attracted many people to imitate and learn from it.

It is reported that tango is a kind of ballroom dance and a duet dance. Although this dance originated from America, it has now become a dance danced all over the world, and this dance is also an international standard dance competition. .