The third in a set of 24 preludes in all major and minor keys by Spanish composer Blas María de Colomer. The set of preludes follows the same sequence that Chopin s Op. 28 preludes did, in which a prelude in a major key is followed by a prelude in the relative minor key, in a pattern of ascending fifths. (ex. C major, followed by A minor; then G major followed by E minor,