Members of the band "8772" perform during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019. After three-year efforts, the band "8772" released their first album titled "Never Rare" featuring ten original songs in Beijing Wednesday.

Wang Yiou, leader of the band "8772", performs during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019. Most members of the band suffer rare diseases including brittle bone diseases, Kallmann Syndrome and spinal muscular atrophy. The band is named 8772 as it resembles the letters BTTZ, the initials of "bingtong tiaozhan" in Chinese pinyin, which literally means illness challenge.

Members of the band "8772" pose for a group photo with audience after the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019. The band made its debut in Beijing on Oct. 31, 2015 and has been committed to writing original songs to depict the life of people with rare diseases.

Members of the band "8772" perform during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

A member of the band "8772" performs during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

Members of the band "8772" perform during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

Members of the band "8772" perform during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

Members of the band "8772" perform during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

Wang Yiou, leader of the band "8772", rehearses before the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

A member of the band "8772" rehearses before the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

A guest (C) and members of the band "8772" perform during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

Audience watch a performance staged by members of the band "8772" during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

Members of the band "8772" perform during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

Members of the band "8772" perform during the launching ceremony of the band's first album in Beijing, capital of China, Aug. 14, 2019.

Guests interact with audience during the launching ceremony of the band "9772"'s first album in Beijing, capital of China, Aug. 14, 2019.