Thin Doro - Usudoro

... Doro-doro: A sound effect-like musical accompaniment with a large drum that expresses images such as supernatural phenomena, monster transformations, and the appearance of demonic things such as ghosts. "Doro-doro," "Odoro," "Usudoro," etc. Music used in Dontappo's grandiose fighting scenes. ...

*Some of the terminology explanations that refer to "Usudoro" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…　ドロドロ超自然的現象や妖怪変化，幽霊など魔性のものの出現など，心象を表現する大太鼓による効果音的な囃子。〈ドロドロ〉〈大ドロ〉〈薄ドロ〉など。　どんたっぽ大時代な立回りに用いる囃子。…

※「薄ドロ」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報