The bottom drum has been beating, as if someone is beating your heart and nerves. When the music pushes to the climax, everything is true.

Suitable for tension-related episodes.

Atmosphere version: there are many environmental sounds to foil the atmosphere.
Clean version: No ambient sound.
Rhythm version: only beat drum set and an atmosphere sound.
底鼓一直在敲，仿佛有人在敲动你的心脏和神经，当音乐推动到最高潮的时候，一切都真相大白了。

适合紧张相关的情节中。

氛围版：有很多环境声音来烘托氛围。
干净版：没有环境声音。
节奏版：只有敲打的鼓组和一个氛围音。