Harmonic Horizons: The Cross-Strung Harp's Chromatic Journey
An in-depth exploration of the multi-course harp, its historical evolution, and its unique approach to chromaticism.
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Introduction to Chromatic Harps
The Essence of Chromaticism
The cross-strung harp, also known as a chromatic double harp, represents a sophisticated solution to achieving full chromaticism on a stringed instrument. Unlike its diatonic counterparts, which rely on pedals or levers to alter string pitch, this multi-course harp features two distinct rows of strings. These rows are ingeniously arranged to intersect without physical contact, ensuring that each of the twelve semitones within the chromatic scale possesses its own dedicated string. This design fundamentally transforms the player's interaction with the instrument, offering direct access to every note without mechanical intervention during performance.
Mechanical Ingenuity
The core innovation of the cross-strung harp lies in its dual-stringing system. While traditional pedal harps employ a complex pedal mechanism to raise the pitch of specific strings by a semitone or whole tone, and lever harps use individual levers for similar adjustments, the cross-strung harp provides a dedicated string for every note. This eliminates the need for rapid pedal or lever changes, allowing for seamless execution of chromatic passages and complex harmonies. The intersecting string planes enable a compact design while providing the necessary physical separation for each string to vibrate independently.
A Spectrum of Sound
The ability to play any note of the chromatic scale directly, without altering string tension mid-performance, opens up a vast sonic palette for composers and performers. This design facilitates the exploration of richer harmonic textures and more intricate melodic lines, making the cross-strung harp a versatile instrument capable of performing a wide range of musical styles, from classical compositions demanding complex modulations to contemporary pieces requiring fluid chromatic improvisation. Its unique construction offers a distinct timbre and playing experience compared to other harp types.
Spanish Renaissance: Arpa de Dos Órdenes
Origins in Iberia
The genesis of the cross-strung harp is widely attributed to late 16th-century Spain, where it emerged as the arpa de dos órdenes, or "harp of two orders." By the early 17th century, this instrument had firmly established its identity within the Spanish musical landscape, finding its place in both sacred liturgical settings and vibrant secular performances. Its innovative design addressed the growing demand for chromatic flexibility in the evolving musical forms of the Renaissance and early Baroque periods.
Jovernardi's Contributions
A pivotal figure in the early documentation and development of the arpa de dos órdenes was Bartolomé Jovernardi. In his seminal work, Tratado de la música (1634), Jovernardi not only provided detailed descriptions of this and other contemporary instruments but is also credited with inventing a specific chromatic variant of the harp. His theoretical and practical contributions underscore the instrument's significance in Spanish musical thought and its role in expanding the harmonic possibilities available to musicians of the era.
Decline and Cultural Shift
The arpa de dos órdenes reached its zenith of popularity in the late 17th century, only to experience a gradual decline into the early 18th century. This shift was multifaceted, driven largely by a broader cultural displacement within the Spanish court. Italian and French musical aesthetics and instruments, such as the violin, harpsichord, and lute, gained prominence, overshadowing indigenous Spanish instruments like the arpa de dos órdenes and the vihuela. This change in courtly preference ultimately led to the instrument's diminished role in mainstream European music.
French Romantic: Harpe Chromatique
Orchestral Demands
In the late 19th century, the Pleyel & Wolff Company in Paris introduced a new cross-strung model, the harpe chromatique. This development was a direct response to the increasing chromatic complexity in orchestral music, which posed significant challenges for harpists using the then-prevalent single-action pedal system. The single-action pedal mechanism, capable of only raising the pitch of strings by a semitone, often proved insufficient for the rapid and extensive chromatic passages demanded by Romantic and Impressionistic composers.
Gustave Lyon's Innovation
Designed by Gustave Lyon, the harpe chromatique featured two sets of strings. One set was tuned to a C major diatonic scale, while the other was tuned to an F-sharp/G-flat pentatonic scale, mirroring the black and white keys of a piano. This ingenious arrangement allowed harpists to access any of the twelve semitones directly. Crucially, Lyon's design positioned the string intersection near the vertical midpoint of the strings, a significant ergonomic improvement over the Spanish arpa de dos órdenes, whose strings crossed closer to the neck. This allowed both of the player's hands to reach both sets of strings at the point of greatest resonance, enhancing playability and sound projection.
Debussy's Danses
The harpe chromatique quickly attracted the attention of leading composers. Perhaps its most celebrated classical composition is Claude Debussy's Danses (I. Danse sacrée; II. Danse profane), written for harp and strings. Commissioned by Pleyel and published in 1904, these pieces brilliantly showcase the instrument's expanded chromatic capabilities and rich tonal palette, cementing its place in the repertoire of early 20th-century music, even if its widespread adoption was ultimately limited by the dominance of the double-action pedal harp.
Belgian Chromatic Harp
A Niche Development
Concurrent with the French innovations, a distinct chromatic harp was developed in Belgium towards the close of the 19th century. While it shared the fundamental principle of providing dedicated strings for all chromatic notes, this particular variant garnered a more limited following. Its primary sphere of influence was within Belgium itself, where it was predominantly taught in specialized musical institutions. Despite its technical merits, it did not achieve the broader recognition or widespread adoption seen by other chromatic harp designs, remaining a notable, albeit niche, contribution to the instrument's history.
Educational Focus
The Belgian chromatic harp's concentration within educational settings in Belgium suggests a pedagogical emphasis. It likely served as a valuable tool for students and academics exploring advanced harmonic concepts and chromatic performance techniques. Its existence highlights the diverse approaches taken by instrument makers and musicians across Europe to overcome the inherent limitations of diatonic harps in an era of increasingly complex musical composition.
Henry Greenway's Distinctive Harps
An American Vision
Towards the end of the 19th century, the English-born American harp builder Henry Greenway made significant contributions to the design of cross-strung chromatic harps. Greenway's models were particularly distinctive, featuring an X-shaped pillar and two necks. This unique structural configuration not only provided enhanced stability but also contributed to a visually striking aesthetic, setting his instruments apart from other contemporary designs. His work exemplifies the ongoing experimentation and innovation in harp construction during this period.
Preserved Legacies
Greenway's peculiar cross-strung chromatic harps are rare and highly valued. Several copies of his instruments have been preserved in prominent collections, offering invaluable insights into late 19th-century harp design. One notable example is housed at the Metropolitan Museum of Art in New York City, while another can be found at the National Music Museum in Vermillion, South Dakota. These instruments serve as tangible testaments to Greenway's inventive spirit and his lasting impact on the evolution of the chromatic harp.
Contemporary Cross-Strung Harps
A Resurgent Craft
The contemporary era has witnessed a significant resurgence and reinterpretation of the cross-strung harp, particularly since the late 20th century. Modern instruments are crafted with a variety of string materials, including gut, nylon, or wire, and are available in diverse sizes, typically spanning two to five or more octaves. Unlike their historical predecessors, many contemporary cross-strung harps are designed following a Celtic or folk model, characterized by smaller soundboxes, lighter string tension, and a more compact overall size, making them more accessible and portable for a wider range of musicians.
Pioneering Figures
The modern revival of the cross-strung harp can be traced to California in 1987, when luthier Roland "Robbie" Robinson undertook the repair of a cross-strung harp, believed to be a student instrument by Welsh luthier John Thomas for the Conservatoire Royal de Bruxelles. Robinson's subsequent publication of a description and drawing in the Folk Harp Journal ignited new interest. This led to Emil Geering building harps based on Robinson's plans, and later, musician Ben Brown's advocacy persuaded American luthiers Dan Speer and Pat O'Laughlin to create their own models. Harper Tasche further advanced the instrument's profile by developing a five-octave model with Blessley Instruments and recording the world's first dedicated cross-strung harp CD in 1998.
String Configurations
Two primary string configurations dominate contemporary cross-strung harp design:
- 7x5 Configuration: This is the most common type, where each octave features seven strings for the diatonic scale on one row and five strings for the "accidentals" on the other. This layout offers a familiar conceptual framework, akin to a piano keyboard, making it relatively easier for harpists to learn due to the presence of a diatonic "home row" of strings. Basic chords often fall into recognizable pattern shapes.
- 6x6 Configuration: A less common but equally innovative approach, where each set of strings is tuned to a whole-tone scale. This configuration simplifies fingering patterns for major scales, requiring only two distinct patterns depending on whether the root of the key is on the left or right set of strings. Additionally, a 6x6 harp can achieve a broader musical range than a 7x5 of comparable size, as it allocates only six strings per octave per row.
Custom Innovations
The contemporary landscape of cross-strung harp building is marked by remarkable customization and innovation. Notable examples include:
- A five-octave steel-strung "lute harp" by Gustave Lyon (1899), demonstrating early experimentation with string materials.
- The large, visually striking X-shaped harps with two necks and two pillars, exemplified by Henry Greenway's 1889 model now in the Metropolitan Museum of Art.
- Gustave Lyon's extensive innovations on the harpe chromatique from 1894 to 1930, which included built-in tuning reeds, pedal-operated soundbox shutters, and steel framing.
- Philippe SRL Clément's late 1980s designs, featuring pedal-activated damping rods for lower strings and a unique "7x5x7" crossing double harp.
- Argent Fox Musical Instruments' cross-strung harps with phosphor bronze wire strings, offering a distinct tonal quality.
- Glenn Hill of Mountain Glen Harps' 1992 hybrid 6x6 cross-strung harp, which ingeniously incorporated a sharpening lever on each string, blending different chromatic mechanisms.
These custom versions highlight the ongoing quest to refine the cross-strung harp's playability, tonal characteristics, and aesthetic appeal.
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References
References
- International Society of Folk Harpers and Craftsmen
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