Yabla video uses of 即兴

因为 yīnwèi
jiù
gāng
开始 kāishǐ
zài
chàng
de
时候 shíhou
yǒu
hěn
duō
rén
shēng
即兴 jíxìng
演唱 yǎnchàng
de
这些 zhèxiē
没有 méiyǒu
歌词 gēcí
de
Because at first, when I was singing, there were a lot of singing parts without lyrics.