👉 Tremie is a type of musical instrument. It was first invented in 1905 by German inventor Hans Käthmann, who made it from an old piano. Tremies are usually tuned to E major and come with a set of strings that can be played individually or in pairs (a tricord). The sound is produced when the strings are struck together. There are many different types of tremes, such as the bass tremes, which have a lower string