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Woodland Heights is a study of forest canopy ecology. More specifically, the work is an illustration of the premise that “species composition and tree size distributions become more diverse with increasing stand age” and that “with increasing age stochastic processes play increasingly important roles in creating structural complexity” ¹.

Oak

The form of the piece maps the growth of a model forest stand over a projected 720-year period, where a crotchet in the score is equal to a year in ecological time. The structure is divided into three successionary periods demarcated by radical change in accordance with the principle that “local disturbances not only maintain the character of the system by maintaining the species that are early colonists but poor competitors; they also maintain the resiliency of the system, preserving the opportunistic species that thrive under the conditions accompanying the unpredictable but inevitable environmental changes that occur at broader spatial scales, such as windthrows or fire.” ²

Birch

The imagined forest is composed of seven tree species common to the garden of my original family home in Chorleywood, from which the piece also takes its title. The first two sections map the projected interactions of six species: Silver Birch (Betula pendula), Laurel (Prunus laurocerasus), Holly (Ilex aquifolium), Rowan (Sorbus rosaceae), Beech (Fagus sylvatica) and Oak (Quercus robur) which take their roots from E, A, D, C#, G and C respectively. In the third section, the viola solo introduces the seventh species: Wild Apple (Malus sylvatica) on Bb.

Holly

Particular qualities of each species type are translated into musical elements in the score: maximum height, average lifespan and reproductive cycles are expressed through the statistical distribution of the overtone series from the open strings fundamentals of the orchestra, the adaptational qualities of a species by its role in the formal development of the piece and its phyllotaxis by motivical structure.

Beech1

Writing this piece necessitated an exploration of the fascinating terrain that is contemporary ecology and provided a reassurance that humanity’s deep love of the biosphere still finds expression in our societal priorities. Today’s ecologists have embedded conservational and educational elements deep into their discipline and together form a large and extremely open network of individuals working across the world to better understand and preserve the immense diversity found on planet Earth. In the words of two of canopy ecology’s pioneers: “Perhaps that is the ultimate goal of canopy research – all scientific research for that matter – to produce a sense of the vast and the infinite and to promote our sense of wonder, a curiosity that needs to be fed by experience to be long-lived.” ³

Rowan

It requires very little rephrasing of this idea to appreciate that the beauty of this statement could be applied equally to the objective of the artist. In composing this work I have come to appreciate the enormous translatative power of music and the many vantage points that it offers us for immersion and enquiry into its sources of inspiration and have also come to understand that the web-like creational processes of investigation, experimentation, epiphany and revision share many commonalities across the Sciences and the Arts. Numerous great minds throughout human history have proved a constant reminder that in reality there is no separation between these two great fields of discipline, and that just as two hands work together in playing an instrument, so these two aspects of human nature form part of a single integrated response to the questions of our environment.

Laurel

In creating both new work and new theories, we must exercise great freedom in our relationship to a subject matter in order to allow scope for intuitive processes to develop. Similarly we must give free reign to the imagination in order to find connections between ideas and to build structures that can later become material for further development. Perhaps in the future we will understand more about how the imagination works and its evolutionary development, but for now we must be content with understanding that without freedom and diversity there can be no development. The same lesson taught in fact, by forest canopy ecologists with regard to species biodiversity. It is no coincidence that every great work of both art and science contains some unanswered and perhaps unanswerable question buried within itself, and it is this that I believe inspires that ‘sense of wonder’ and imbues it with a complexity that is a microcosm of the depth found in life itself. A work that is the result of a logical or mechanical process alone risks becoming lifeless and predictable – in art, as in life, rules are made to be broken. Our greatest priority at this moment in the history of our planet should be to conserve and protect the spectral magnificence of life in all of its many forms, preserving and protecting the unknown as well as the known will provide a future for our planet and its wealth of expression in form.

Beech2

I am greatly indebted to numerous individuals who assisted in the creation of this work. In particular I would like to thank Dr. Thomas E. Lovejoy, Dr. Margaret D. Lowman, Dr. Simon Levin, Dr. Henry S. Horn, Dr. Michael Jones, Sven P. Batke and Noel O’Shea for their scientific and technical expertise; Katherine Hunka, Robin Panter, Malachy Robinson, Cora Venus Lunny, Adrian Hart, Olesya Zdorovetska, Francesco Turrisi, Linda Bsiri, Sachiko Kuriowa, Ellen Fallowfield, Kate Ellis and Russell Rolen for their musical counsel; Sheila Pratschke and Nora Hickey M’Sichili together with all of the staff at the Centre Culturel Irlandais, Paris for the amazing opportunity to work on this piece in such creatively fertile surroundings and finally a special thanks to artist Ruth O’Donnell for providing the beautiful illustrations for the score.

RowanBerry

This piece is dedicated to the trees of ‘Woodland Heights’, Greenhills Close, Chorleywood – to the laurel, oak, birch, rowan, beech, holly…and the wild apple.

Apple

 

¹ Hiroaki T. Ishii, Robert Van Pelt, Geoffrey G. Parker, Nalini M. Nadkarni (2004). Age-Related Development of Canopy Structure and Its Ecological Functions. Forest Canopies, Second Edition.

² Simon Levin (1999). Ecological Assembly. Fragile Dominion.

³ Margaret D. Lowman and H. Bruce Rinker (2004). Introduction. Forest Canopies, Second Edition.

 

†  String harmonics image on glossary p.1 taken from http://www.cellomap.com, reprinted with permission of author.

 

first 13 harmonics clearer

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