The reason it sounds so powerful is because it's completely unself-conscious.

But he also brought a degree of percussive aggression to the music that sounded even more powerful inside these boundaries.

Still, he had to admit that the name of the organization sounded very powerful, very important.

She had never heard of magic like that, but it sounded awfully powerful and probably lethal.

In this context they looked and sounded powerful and coherent.

His voice sounded powerful even through a system that made most people sound tinny.

It sounded dramatic and powerful, to become mothers to a new and cleaner society.

Joe shivered; when Chinthliss talked like that, he sounded powerful.

For one thing, you get to be called a senior citizen, which sounds dignified and powerful.

But he also brings a degree of percussive aggression to the music, which sounds even more powerful inside these boundaries.