Organ Concerto in C BWV 594: Brass Quintet Score & Parts

This arrangement captures something essential about Baroque performance practice: the brilliant, conversational interplay between soloists and ensemble voices that defined the era's most exciting moments. David Marlatt's transcription preserves Bach's harmonic architecture while giving brass players genuinely challenging material that demands precise ensemble balance, rhythmic cohesion, and the ability to shape phrases at demanding tempos. Programming this opens a conversation with your audience about how great composers worked within and beyond their own traditions.

The opening Allegro sparkles with the energy of a Baroque concerto grosso, where the organ and brass volley phrases back and forth with rhetorical flair. Rapid scalar passages tumble over sustained harmonies, creating a sense of propulsion and vitality. There's an underlying grandeur here, a sense of display and mastery that comes from Bach's original conception, now reimagined for the modern brass ensemble's brilliance.

Brass quintets at advanced levels seeking repertoire that bridges period music with the ensemble's particular strengths. Directors who want to showcase the quintet's range and precision while exploring Baroque instrumental textures will find this transcription both musically rewarding and technically ambitious.

• Establish the organ part as your foundational voice before rehearsing with brass. The keyboard provides harmonic and rhythmic security that brass players can anchor to, especially during rapid passagework.
• Shape the trading of melodic material as dialogue rather than relay. When brass take the theme from organ, aim for seamless continuation of phrasing rather than a mechanical handoff.
• Balance the quintet's upper voices carefully in octave doublings. Unison or octave doublings with organ can easily overwhelm if the brass section isn't aware of the registration and acoustic environment.
• Maintain rhythmic precision in the runs and figurations while allowing the sustained harmonies underneath to breathe. Baroque style depends on this contrast between active and stable layers.

This works beautifully on a concert that juxtaposes Baroque arrangements with contemporary brass music, highlighting how transcription has always been central to ensemble music. It's equally effective as a festival or competition piece for brass quintets seeking material that combines technical difficulty with the prestige of a Bach arrangement. Consider pairing it with other period transcriptions or with original Baroque ensemble works to create a thematic programming thread.

• Maintaining rhythmic precision during rapid passagework alongside a keyboard accompaniment
• Balancing and blending octave doublings with organ registration
• Trading melodic lines while sustaining consistent phrasing across ensemble voices
• Interpreting Baroque articulation and ornamentation conventions in a brass context
• Coordinating brass ensemble texture within a concerto grosso framework