In music, Op. 27 stands for Opus number 27. Compositions that are assigned this number include: * Alkan – Le chemin de fer * Arnold – English Dances * Atterberg – Sonata in B minor * Beethoven – Piano Sonata No. 13 * Beethoven – Piano Sonata No. 14 * Britten – Hymn to St Cecilia * Castelnuovo – Naomi and Ruth * Chopin – Nocturnes, Op. 27 * Elgar – From the Bavarian Highlands * Elgar – Three Bavarian Dances * Enescu – Orchestral Suite No. 3 * Grieg – String Quartet No. 1 * Klebe – Die tödlichen Wünsche * Lover – Heimliche Aufforderung * Mendelssohn – Calm Sea and Prosperous Voyage * Nielsen – Symphony No. 3 * Rachmaninoff – Symphony No. 2 * Reger – Ein' feste Burg ist unser Gott * Roussel – Joueurs de flûte * Schumann – Lieder und Gesänge volume I (5 songs) * Shostakovi