Pari intervallo

Pari intervallo is a composition by Estonian composer Arvo Pärt, written in 1976 in four parts without fixed instrumentation. The composer later made versions for organ (1980), four recorders (1980), clarinet, trombone and string orchestra (1995), saxophone quartet (2002), two pianos or piano duet (2008), and eight or four cellos (2010). Pari intervallo was one of seven works premiered in 1976 under the title tintinnabuli, the name of compositional style created by the composer.