Tintinnabuli, from the Latin for bell, is a compositional style created by the Estonian composer Arvo Pärt. It has been characterised as serene and enigmatic, sounding both modern and ancient at the same time. There are two elements that work together in the tintinnabuli style. The M-part represents a melodic line, moving stepwise through a scale. The second part, the T-part, consists of chord tones taken from a major or minor triad.