Alban Maria Johannes Berg (1885-1935) was an Austrian composer associated with the Second Viennese School, alongside Arnold Schoenberg and Anton Webern. He is primarily known for his contributions to atonal and twelve-tone music, bridging the gap between late Romanticism and modernism. Berg's notable works include his operas "Wozzeck" (1925) and "Lulu" (unfinished, premiered posthumously in 1937), as well as his orchestral pieces like the "Violin Concerto" (1935), which is celebrated for its emotional depth and lyrical quality. His music often combines complex harmonies with expressive melodies, reflecting both the turmoil of his times and personal experiences. Berg's impact on music is significant; he expanded the use of twelve-tone techniques while maintaining a connection to romantic expressiveness, influencing countless composers and the evolution of modern classical music. His works are frequently performed and studied for their innovative structures and profound emotional resonance, cementing his status as one of the leading figures in early 20th-century music.