Hildegard's works include three great volumes of visionary theology; a variety of musical compositions for use in the liturgy, as well as the musical morality play ; one of the largest bodies of letters (nearly 400) to survive from the
Middle Ages, addressed to correspondents ranging from
popes to
emperors to
abbots and
abbesses, and including records of many of the sermons she preached in the 1160s and 1170s; two volumes of material on natural medicine and cures; an
invented language called the ('unknown language'); and various minor works, including a gospel commentary and two works of hagiography. Several manuscripts of her works were produced during her lifetime, including the illustrated Rupertsberg manuscript of her first major work, ; the
Dendermonde Codex, which contains one version of her musical works; and the Ghent manuscript, which was the first fair-copy made for editing of her final theological work, the . At the end of her life, and probably under her initial guidance, all of her works were edited and gathered into the single Riesenkodex manuscript. The
Riesenkodex manuscript is a collection of 481 folios of vellum bound in pig leather over wooden boards that measure .
Visionary theology Hildegard's most significant works were her three volumes of visionary theology: ("Know the Ways", composed 1142–1151), ("Book of Life's Merits" or "Book of the Rewards of Life", composed 1158–1163); and ("Book of Divine Works", also known as , "On God's Activity", begun around 1163 or 1164 and completed around 1172 or 1174). In these volumes, the last of which was completed when she was well into her seventies, Hildegard first describes each vision, whose details are often strange and enigmatic. Then she interprets their theological contents in the words of the "voice of the Living Light." ======== With permission from Abbot Kuno of Disibodenberg, she began journaling her visions (the basis for ). is a contraction of ('Know the Ways of the Lord'), and it was Hildegard's first major visionary work, and one of the biggest milestones in her life. Perceiving a divine command to "write what you see and hear," Hildegard began to record and interpret her visionary experiences. In total, 26 visionary experiences were captured in this compilation. In early 1148, the Pope sent a commission to
Disibodenberg to learn more about Hildegard and her writings. The commission found the visions authentic and returned them to the Pope, along with a portion of . Portions of the uncompleted work were read aloud to
Pope Eugenius III at the Synod of Trier in 1148, after which he sent Hildegard a letter with his blessing. This blessing was later construed as papal approval for all of Hildegard's wide-ranging theological activities. Towards the end of her life, Hildegard commissioned a richly decorated manuscript of (the Rupertsberg Codex); although the original has been lost since its evacuation to Dresden for safekeeping in 1945, its images are preserved in a hand-painted facsimile from the 1920s. Amongst the work's innovations is one of the earliest descriptions of purgatory as the place where each soul would have to work off its debts after death before entering heaven. Hildegard's descriptions of the possible punishments there are often gruesome and grotesque, which emphasize the work's moral and pastoral purpose as a practical guide to the life of true penance and proper virtue. ======== Hildegard's last and grandest visionary work, , had its genesis in one of the few times she experienced something like an ecstatic loss of consciousness. As she described it in an autobiographical passage included in her , sometime in about 1163, she received "an extraordinary mystical vision" in which was revealed the "sprinkling drops of sweet rain" that she stated
John the Evangelist experienced when he wrote, "In the beginning was the Word" (John 1:1). Hildegard perceived that this Word was the key to the "Work of God", of which humankind is the pinnacle. The
Book of Divine Works, therefore, became in many ways an extended explication of the prologue to the Gospel of John. The ten visions in this work's three parts are cosmic in scale, illustrating various ways of understanding the relationship between God and his creation. Often, that relationship is established by grand allegorical female figures representing Divine Love () or Wisdom (). The first vision opens the work with a salvo of poetic and visionary images that swirl around to characterize God's dynamic activity in the history of salvation. The remaining three visions in the first part depict the image of a human standing astride the spheres that make up the universe and detail the intricate relationships between the human as microcosm and the universe as macrocosm. This culminates in the final chapter of Part One, Vision Four, with Hildegard's commentary on the prologue to the Gospel of John (John 1:1–14), a direct rumination on the meaning of "In the beginning was the Word". The single vision that constitutes the whole of Part Two stretches that rumination back to the opening of Genesis, and forms an extended commentary on the seven days of the creation of the world told in Genesis 1–2:3. This commentary interprets each day of creation in three ways: literal or cosmological; allegorical or ecclesiological (i.e. related to the church's history); and moral or tropological (i.e. related to the soul's growth in virtue). Finally, the five visions of the third part draw on the building imagery of to describe the course of salvation history. The final vision (3.5) contains Hildegard's longest and most detailed prophetic program of the life of the church from her own days of "womanish weakness" through to the coming and ultimate downfall of the Antichrist.
Music from the
Wiesbaden Codex, 1180 – 1190 Attention in recent decades to women of the medieval
Catholic Church has led to a great deal of popular interest in Hildegard's music. In addition to the , 69 musical compositions, each with its own original poetic text, survive, and at least four other texts are known, though their musical notation has been lost. This is one of the largest repertoires among medieval composers. One of her better-known works, (
Play of the Virtues), is a
morality play. It is uncertain when some of Hildegard's compositions were composed, though the is thought to have been composed as early as 1151. It is an independent Latin morality play with music (82 songs); it does not supplement or pay homage to the Mass or the Office of a certain feast. It is, in fact, the earliest known surviving musical drama that is not attached to a
liturgy. The devil's part is entirely spoken or shouted, with no musical setting. All other characters sing in monophonic plainchant. This includes patriarchs, prophets, a happy soul, an unhappy soul, and a penitent soul, along with 16 virtues (including mercy, innocence, chastity, obedience, hope, and faith). In addition to the , Hildegard composed many liturgical songs that were collected into a cycle called the . The songs from the Symphonia are set to Hildegard's own text and range from antiphons, hymns, and sequences (such as
Columba Aspexit), to responsories. Her music is
monophonic, consisting of exactly one melodic line. Its style has been said to be characterized by soaring melodies that can push the boundaries of traditional Gregorian chant and to stand outside the normal practices of monophonic monastic chant. Researchers are also exploring ways in which it may be viewed in comparison with her contemporaries, such as
Hermannus Contractus. Another feature of Hildegard's music that both reflects the 12th-century evolution of chant, and pushes that evolution further, is that it is highly
melismatic, often with recurrent melodic units. Scholars such as
Margot Fassler, Marianne Richert Pfau, and Beverly Lomer also note the intimate relationship between music and text in Hildegard's compositions, whose rhetorical features are often more pronounced than in 12th-century chant. As with most medieval chant notation, Hildegard's music lacks any indication of tempo or rhythm; the surviving manuscripts employ late German style notation, which uses very ornamental
neumes. The reverence for the Virgin Mary reflected in music shows how deeply influenced and inspired Hildegard of Bingen and her community were by the Virgin Mary and the saints.
Scientific and medicinal writings Hildegard's medicinal and scientific writings, although thematically complementary to her ideas about nature in her visionary works, differ in focus and scope. Neither claims to be rooted in her visionary experience and its divine authority. Rather, they spring from her experience helping in and then leading the monastery's herbal garden and infirmary, as well as the theoretical information she likely gained through her wide-ranging reading in the monastery's library. As she gained practical skills in diagnosis, prognosis, and treatment, she combined physical treatment of physical diseases with holistic methods centered on "spiritual healing". She became well known for her healing powers involving the practical application of tinctures, herbs, and precious stones. She combined these elements with a theological notion ultimately derived from Genesis: all things put on earth are for the use of humans. In addition to her hands-on experience, she also gained medical knowledge, including elements of her humoral theory, from traditional Latin texts. The second, , is an exploration of the human body, its connections to the rest of the natural world, and the causes and cures of various diseases. Hildegard documented various medical practices in these books, including the use of bleeding and home remedies for many common ailments. She also explains remedies for common agricultural injuries such as burns, fractures, dislocations, and cuts. In addition to its wealth of practical evidence, is also noteworthy for its organizational scheme. Its first part sets the work within the context of the creation of the cosmos, with humanity as its summit, and the constant interplay of the human person as a microcosm, both physically and spiritually, with the macrocosm of the universe informs all of Hildegard's approach. Her hallmark is to emphasize the vital connection between the "green" health of the natural world and the holistic health of the human person. , or greening power, was thought to sustain human beings and could be manipulated by adjusting the balance of elements within a person. As Hildegard elaborates the medical and scientific relationship between the human microcosm and the macrocosm of the universe, she often focuses on interrelated patterns of four: "the four elements (fire, air, water, and earth), the four seasons, the four humors, the four zones of the earth, and the four major winds." Although she inherited the basic framework of
humoral theory from ancient medicine, Hildegard's conception of the hierarchical inter-balance of the four humors (blood, phlegm, black bile, and yellow bile) was unique, based on their correspondence to "superior" and "inferior" elements – blood and phlegm corresponding to the "celestial" elements of fire and air, and the two biles corresponding to the "terrestrial" elements of water and earth. Hildegard believed that the disease-causing imbalance of these humors resulted from the improper dominance of the subordinate humors. This disharmony reflects that introduced by Adam and Eve in the Fall, which, for Hildegard, marked the indelible entrance of disease and humoral imbalance into humankind. As she writes in c. 42:
and Hildegard also invented an
alternative alphabet. ('Alternate Alphabet') was another work and was more or less a secret code, or even an intellectual code, much like a modern crossword puzzle today. Hildegard's ('unknown language') consisted of a series of invented words that corresponded to an eclectic list of nouns. The list is approximately 1,000 nouns; there are no other parts of speech. The two most important sources for the are the Wiesbaden, Hessische Landesbibliothek 2 (nicknamed the Riesenkodex) Sarah Higley disagrees and notes that there is no evidence of Hildegard teaching the language to her nuns. She suggests that the language was not intended to remain secret; rather, the presence of words for mundane things may indicate that it was for the whole abbey and perhaps the larger monastic world. Higley believes that "the Lingua is a linguistic distillation of the philosophy expressed in her three prophetic books: it represents the cosmos of divine and human creation and the sins that flesh is heir to." The text of her writings and compositions reveals Hildegard's use of this form of modified medieval Latin, which includes many invented, conflated, and abridged words. Because she invented words for her lyrics and used a constructed script, many
conlangers look upon her as a medieval precursor. ==Significance==