Composer

:

Petr Eben

Genre

:

Keyboard

Style

:

Keyboard

Average_duration

:

5:15

Moto Ostinato for organ is a composition by Czech composer Petr Eben. It was composed in 1978 and premiered the same year in Prague. The piece is divided into three movements, each with its own unique characteristics. The first movement, marked "Allegro," is characterized by a driving, repetitive rhythm in the left hand of the organist. This rhythm is maintained throughout the movement, while the right hand plays a series of melodic fragments that gradually build in intensity. The movement ends with a sudden, dramatic chord. The second movement, marked "Adagio," is a stark contrast to the first. It begins with a slow, mournful melody played in the upper registers of the organ. This melody is then repeated in the lower registers, creating a haunting, echoing effect. The movement gradually builds in intensity, with the melody becoming more complex and the harmonies more dissonant. It ends with a quiet, unresolved chord. The final movement, marked "Allegro con fuoco," returns to the driving rhythm of the first movement. This time, however, the melody is more complex and the harmonies more dissonant. The movement builds to a frenzied climax, with the organist playing rapid, virtuosic runs up and down the keyboard. It ends with a final, triumphant chord. Overall, Moto Ostinato for organ is a powerful and intense work that showcases the capabilities of the organ as an instrument. Its use of repetitive rhythms and dissonant harmonies give it a modern, avant-garde feel, while its melodic fragments and haunting melodies add a sense of emotional depth.

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