Query: Who was the organist for Chopin's funeral?
Context: Mozart's Requiem was sung at the funeral; the soloists were the soprano Jeanne-Anais Castellan, the mezzo-soprano Pauline Viardot, the tenor Alexis Dupont, and the bass Luigi Lablache; Chopin's Preludes No. 4 in E minor and No. 6 in B minor were also played. The organist at the funeral was Louis Lefébure-Wély. The funeral procession to Père Lachaise Cemetery, which included Chopin's sister Ludwika, was led by the aged Prince Adam Czartoryski.