Anhui Grand Theater is Hefei's main formal stage, the kind of modern provincial arts venue that gives a useful glimpse of the city's cultural ambitions. Its programme can include opera, concerts, dance, drama, and large touring productions, so it is worth checking if you have an evening free.
The building is most useful to travellers who want something beyond parks and museums. Even if you do not go inside, it sits in a central area where Hefei's broad avenues, civic buildings, and newer urban scale are easy to read.