Anton Bruckner was a 19th century Austrian composer and organist. He is best known for his symphonies, masses, and motets. His works are characterized by their complexity and emotional intensity. Bruckner was highly influenced by the music of Beethoven, Wagner, and Liszt. He was also a teacher and mentor to many of his contemporaries, including Gustav Mahler. Bruckner's music has been performed and recorded by many of the world's leading orchestras and conductors.