Mass Of The Fermenting Dregs has been played on NTS shows including Holliday Show w/ Skinny Girl Diet, with Rat first played on 11 January 2017.

MASS OF THE FERMENTING DREGS (マス オブ ザ ファーメンティング ドレッグス) Is an alternative rock trio formed in Kobe, Japan in 2002, later reforming in 2015. They are also popularly known by a shortened form of their name, Masu Dore (マスドレ). They are known for a tightly arranged, guitar-driven style, melodic pop vocals and a high-energy stage presence at their live events. They were signed to the Japanese indie rock record label AVOCADO Records from the release of their self-titled EP in January 2008. The band announced their disbandment on September 1, 2012.

The final lineup was 宮本菜津子 (Miyamoto Natsuko) (Vocals/Bass) and 吉野功 (Yoshino Tsutomu) (Drums/Vocals). Their official website is located at http://www.motfd.com.

Ex-members are 石本知恵美 (Chiemi Ishimoto) (Guitar/Vocals) and 後藤玲子 (Reiko Gotoh) (Drums/Vocals)

In 2015 Mass of the Fermenting Dregs have reformed with new members Releases to date are:

2006.09.15: kirametal (demo) 2008.01.16: MASS OF THE FERMENTING DREGS 2009.01.21: ワールド イズ ユアーズ 2010.02.10: ひきずるビート／まで。 2010.08.04: ゼロコンマ、色とりどりの世界 2018.07.04: No New World 2022.08.17: Awakening:Sleeping 2024.02.29: LIVE IN JAPAN