I found some interesting videos about ancient Chinese, Korean and Japanese.
The Sound of the Archaic / Old Chinese language (Numbers, Words & Sample Text) :
It sounds completely different to the Chinese languages that Chinese people speak today.
It sounds like a language spoken by some aliens in Star Wars.
The Sound of the Early Middle Chinese language (Numbers, Greetings, Words & Sample Text) :
The sound of Early Middle Chinese sounds like a mix of Chinese languages from the Southeast of China and languages from Southeast Asia.
The Sound of the Old Japanese language (Numbers, Phrases, Words & Sample Text) :
Old Japanese sounds like Korean which is interesting to hear.
The Sound of the Middle Korean Classical Chinese language (Numbers & Sample Texts) :
Middle Korean Classical Chinese has tones that make it sound a bit like a mix of Chinese languages from the Southeast of China which is interesting to hear.
The Sound of the Kansai Japanese language / dialect (Numbers, Greetings, Words & Story) :
The Modern Kansai Japanese language has toned words which is also interesting to hear.
What do you think about it ?