ZILDJIAN P0625 13 note 440 Hz low octave, Designed in bronze, the rattlesnake also known as ancient cymbals has a bright and clear tone. The notes range from middle OD to low OD. These orchestral cymbals produce notes from C to the third octave to C two octaves lower for a total of 13 notes. Crotales have a bright and very clear sound. They are quite versatile, and from the point of view of mastering the technique of sound production and the skill of the performer, they are perfect for musicians of any level, both professionals with extensive experience and novice percussionists. The plates have a flat profile, made of a bronze alloy (80% copper with 20% tin) with a traditional finish.