His settings include chorale variations, chorale ricercares, chorale fantasias and chorale preludes. He composed 24 Preludes and Fugues after he heard those of Shostakovich. Albums include the 24 Preludes and Fugues Op. Bach's 48 preludes and fugues from beginning to end! His chorale preludes for organ, Op. Max Reger composed a chorale prelude as No. 27 of his 52 Chorale Preludes, Op. Max Reger composed a chorale prelude as No. 32 of his 52 Chorale Preludes, Op. Many of these have been sets of 24 preludes and fugues, or 24 preludes. Reger composed, among others, 52 chorale preludes, Op. Among the old masters who wrote chorale preludes is Samuel Scheidt. The last unmeasured preludes for harpsichord date from the 1720s. Frescobaldi's influence on Bach is most evident in his early choral preludes for organ. Debussy was known for his meticulousness in the arrangement of his preludes. Rachmaninoff's 24 published preludes of Opp. Alexander Scriabin's 24 Preludes, Op.