Allan Pettersson (1911-1980) was a Swedish composer and violist, renowned as one of the most significant Swedish composers of the 20th century. Often hailed as one of the last great symphonists, his music bears a distinctive style that sets it apart from other works of his era, drawing comparisons to the grandeur of Gustav Mahler. Pettersson's symphonies, particularly his Symphony No. 7, gained international acclaim, especially in Germany and Sweden, and later found success in the United States. His compositions, including seventeen symphonies, chamber music, and vocal works, reflect a deep emotional depth and technical mastery. Pettersson's early life in Stockholm was marked by hardship, but his musical journey led him to study under notable figures such as Karl-Birger Blomdahl, Otto Olsson, Arthur Honegger, and René Leibowitz. His song cycle 'Barefoot Songs' significantly influenced his later compositions, with notable arrangements by conductor Antal Doráti. Pettersson's legacy continues to inspire, with his works being slowly but steadily discovered and appreciated by audiences worldwide.