Jean Sibelius has gradually emerged as one of the most striking and influential figures in twentieth-century music, yet his work is only just beginning to receive the critical attention that its importance deserves. This Companion provides an accessible and vivid account of Sibelius's work in its historical and cultural context. Leading international scholars, from Finland, the United States and the UK, examine Sibelius's music from a range of critical perspectives, including nationalism, eroticism and the exotic, music and landscape, reception and musical influence. There are also chapters on recording and interpretation that offer fascinating insights into the performance of Sibelius's work. The book includes much new material, drawing on recent scholarship, as well as providing a comprehensive introduction to Sibelius's major musical achievements.