客家山歌

客家山歌特出名 / 广东梅县客家山歌.
If you haven’t heard that before, you must check it out:

客家話(客家語) Hakka / Kakka is spoken by lots of people around the world.

20 million in Guangdong Province alone
9 million in Jiangxi Province
2 million in Fejian Province
4 million in Guangxi Province
1.5 million in Taiwan

Total: Around 34 million around the world