Where does this definition of twelve-tone system come from?
This entry for twelve-tone system is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is twelve-tone system a noun, verb, or something else?
In this entry, twelve-tone system is tagged as 2n..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.