Who is the Estonian composer of classical and religious music that was featured in the recording of twenty one duets for two cellos and piano or harp ranging from the sixteenth to the twenty-first century?
Arvo Pärt
Title: Arvo Pärt
Passage: Arvo Pärt (] ; born 11 September 1935) is an Estonian composer of classical and religious music.  Since the late 1970s, Pärt has worked in a minimalist style that employs his self-invented compositional technique, tintinnabuli.  Pärt's music is in part inspired by Gregorian chant.  His most performed works include "Fratres" (1977), "Spiegel im Spiegel" (1978), and "Für Alina" (1976).  Pärt has been the most performed living composer in the world for five consecutive years.
Title: Allt-y-Bela
Passage: Allt-y-Bela, Llangwm, Monmouthshire, is a house of late medieval origin with additions from the sixteenth to the twenty-first centuries.  During the early seventeenth century, it was owned by Roger Edwards, a wealthy Midlands merchant and the founder of Usk Grammar School.  Edwards made significant alterations in the Renaissance style to the medieval cruck house.  By the twentieth century, the house was in ruins until restored by the Spitalfields Historic Buildings Trust in the early twenty-first century.  Now owned by the garden designer Arne Maynard, the house is a Grade II* listed building recognising its significance as an "exceptionally important sub-medieval house with ambitious early renaissance additions."
Title: A Tale of Two Cellos
Passage: A Tale of Two Cellos is a recording of twenty one duets for two cellos and piano (or harp) ranging from the sixteenth century, Monteverdi, to the twenty-first century, Arvo Pärt.
A Tale of Two Cellos Arvo Pärt