九九八十一 (Jiǔjiǔbāshíyī)

Background
"Jiǔjiǔbāshíyī" is an original song featuring Yuezheng Ling, with Luo Tianyi singing the harmonies. It was showcased at the 2016 bilibili New Year Gala and was officially uploaded to bilibili and YouTube on February 22, 2016 with improved mixing and PV.

The song is titled after the 81 obstacles that (The Monkey King) and his allies face during their journey to the west. The song is based on the itself.

This song exceeded 100,000 views on bilibili within 18 hours. Its YouTube upload exceeded 100,000 views in nearly a year later. The bilibili upload reached 1 million views in March 2016.

A short version of the song was performed in front of a live audience for Hunan TV. This version featured Ling, Tianyi, and singer Ma Ke.

Concerts
This song was featured in the Vsinger Live concert.

Trivia

 * Certain parts of the song used a melody from "Quán Yù Tiānxià", another bilibili New Year Gala song composed by Wugui.
 * In the PV, Ling is cast as Sun Wukong, while other voice synthesis characters and the staff of the song were cast as his allies or enemies. According to a Weibo poll for the song, the following characters include:
 * Allies:
 * Luo Tianyi as Zhu Bajie (Pigsy)
 * Xin Hua as Sha Wujing (Sandy)
 * YANHE as Xuanzang
 * Yuezheng Longya as the White Dragon Horse
 * Other characters:
 * KAITO as Ruler of Women's Country
 * Hatsune Miku as Princess Iron Fan
 * Kagamine Len as Wood Wolf of Legs
 * Camui Gackpo as Nine Headed Prince Consort/Nine Headed Bug
 * Megurine Luka as Apricot Immortal
 * GUMI as Jade Rabbit Spirit
 * Nekomura Iroha as Red Boy
 * VY2/Roro as Scorpion Demon
 * SeeU as Immortal of Tiger Power
 * OLIVER as Yellow Brows Great King
 * IA as Jade Faced Princess
 * Zhiyu Moke as Hundred Eyed Demon Lord
 * Zhanyin Lorra as Nine Tailed Vixen
 * Ling Caiyin as Six-Eared Macaque
 * as Immortal of Antelope Power
 * as Immortal of Elk Power
 * This is the first Yuezheng Ling original song to reach 1 million views.