Five Christmas Songs op. 1. Par SIBELIUS JEAN. The Urtext edition (2023) of Jean Sibelius’ Five Christmas Songs op. 1 for voice and piano is based on the critical edition presented in the volume VIII/2 Works for Solo Voice Vol. 2 of Jean Sibelius Works (JSW) edited by Jukka Tiilikainen. The lyrics are included in Swedish, Finnish and English. Sakari Ylivuori's introduction illuminates the histor…