声腔

qín qiāng shì zhōng guó xì qǔ sì dà shēng qiāng zhōng zuì gǔ lǎo zuì fēng fù zuì páng dà de shēng qiāng tǐ xì

秦腔是中国戏曲四大声腔中最古老、最丰富、最庞大的声腔体系。

It boasts the most ancient, affluent, and largest musical system of all Chinese operas.