I like listening to classical music.

His theory is widely recognized in the scientific community.

In my school, the wind orchestra club is very popular.

He is an expert in classical mechanics.

Discrete mathematics is an important field that forms the basis of computer science.

He participated in the student movement of the 1960s.

He is writing a thesis on geomorphology.

He is doing a special exercise to train his digastric muscle.

He is writing a thesis on celestial mechanics.

He loves the performance of rinyu-gaku.