BA9221 - Louis Vierne Complete Works for Organ, Volume I, Symphony No 1, Op14. Vierne’s compositions are masterpieces of organ music and form a central part of the instrument’s more demanding repertoire. Vierne brought the organ symphony as a genre to its peak and significantly influenced the development of organ technique worldwide. Volume I presents the first of Vierne’s six organ symphonies and is based on the first publication of the work.