Original: The first movement ( Prelude ) of that suite , later retitled after the composer 's death as Asturias ( Leyenda ) , is probably most famous today as part of the classical guitar repertoire , even though it was originally composed for piano and only later transcribed .
Simplified: The fifth movement of that suite , called Asturias ( Leyenda ) , was later arranged for guitar . It is probably the most famous piece for classical guitar .