Keywords-Call
"Hoo" now means cheering for someone or something, expressing approval or recommendation. Shouting is a kind of wota art. In China, it refers to a spontaneous behavior that the audience under the stage interacts with the performers on the stage by shouting and waving light sticks according to certain rules.
Source: 1. In Japan, call simply means shouting slogans according to the elements in the lyrics of songs in Idol Live, including following the lyrics, repeating and responding.
2. Calling is a concentrated expression of support and love for artists on the stage. Seemingly crazy, but actually rational, mainly reflected in the uniform shouts and a sea of light sticks under the stage.
3. Etymology: This word originated from the supporting culture of Japanese concerts. Originally, it was a dance or cheering action performed by otaku or Japanese idol supporters, including jumping, clapping, waving arms and shouting slogans rhythmically.