Minor scale based on the accidentals of the "natural" minor scale, not on those of the harmonic or melodic minor scales. For example, a piece in E minor will have one sharp in its key signature because the E natural minor scale has one sharp (F). Major and minor keys that share the same key signature are "relative" to each other. For instance, F major is the relative major of D minor since both have key signatures with one flat. Since the natural minor scale is built on the 6th degree of the major scale, the tonic of the relative minor is
Serenade in E-flat major (Saint-Saëns) structured as a single movement marked "Allegretto tranquillo, quasi andantino". Performance time is around 6 to 7 minutes. Serenade in E-flat major (Saint-Saëns) Camille Saint-Saëns' Serenade in E flat major, Op. 15 () is a chamber composition for a quartet consisting of piano, organ, violin, viola (or cello) composed in 1865. It is one of the earliest works by the composer making use of an organ (or harmonium) in a chamber ensemble, preceded only by the Six Duos for harmonium and piano, Op. 8. In addition to the original scoring the work has been transcribed for orchestra, piano solo, piano