Also known as: アルモニカ
The glass harmonica, also known as the glass armonica, bowl organ, hydrocrystalophone, or simply the armonica (derived from αρμονία ("harmonia"), the Greek word for harmony), is a type of musical Instrument that uses a series of glass bowls or goblets graduated in size to produce musical tones by means of friction (instruments of this type are known as friction idiophones).