String Quartet No. 15 in A minor Opus 132

Beethoven's String Quartet No. 15 in A minor, Op. 132, composed in 1825, is one of his final and most personal quartets. It features five movements, including the notable third movement, 'Heiliger Dankgesang eines Genesenen an die Gottheit, in der lydischen Tonart,' which reflects Beethoven's gratitude following recovery from a serious illness. This work is significant for its emotional depth and innovative structure, marking a pivotal moment in the evolution of the string quartet genre.