Bärenreiter Beethoven Sonata quasi una Fantasia for Klavier Es-Dur op. 27/1: limited special-price edition, Urtext edition, for piano solo, edited by Jonathan del Mar, in standard notation, text equivalent to the original Bärenreiter edition BA 10853, intermediate to higher level of difficulty, ISMN 9790006568635, BA 11838, A4, 49 pages, content: Sonata quasi una Fantasia in E-flat major op. 27/1, Sonata quasi una Fantasia in C-sharp minor op. 27/2 (""Moonlight Sonata"")