The diminished seventh chord is commonly used in the harmony of both Western classical music and also in jazz and popular music of the twentieth and twenty-first centuries. Classical composers of the eighteenth and nineteenth centuries imaginatively exploited the chord's dramatic and expressive potential. (See below).

Choose your answer: based on the paragraph above can we conclude that "The diminished seventh chord is used in harmonys"?

 [+] Yes; [+] It's impossible to say; [+] No;
I think the answer is
Yes