#Beethoven

• Equale — Equale; a short musical piece written for an ensemble of identical instruments or equal voices, historically used in Austria and Germany starting from the 18th century, especially during funeral ceremonies or religious processions. As a Latin adjective, it indicates a state of structural equality or rhythmic uniformity in an old choral composition.
• Albrechtsberger — The surname of the famous Austrian composer, organist, and music theorist Johann Georg Albrechtsberger (1736–1809), renowned for his advanced treatises on counterpoint and for having been the harmony teacher of Ludwig van Beethoven in Vienna.
• Appassionata — The established name of the Piano Sonata No. 23 in F minor, Op. 57, composed by Ludwig van Beethoven, considered one of the most technical and dramatic masterpieces in the entire pianistic literature. As a nominalized adjective, the term originates from Italian and denotes a musical piece or passage performed in a deeply passionate, intense, and emotionally driven manner.
• Backhaus — A proper surname of German origin, internationally famous primarily due to the pianist Wilhelm Backhaus (1884–1969), recognized as one of the greatest interpreters of Beethoven and Brahms. In a structural etymological sense, the name originates from Old German, signifying a bakehouse or a separate building dedicated exclusively to baking bread.