Sackbut: The Renaissance Ancestor of the Trombone
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Sackbut
Overview
The sackbut is an early form of the trombone used during the Renaissance and Baroque eras. Like the modern trombone, it has the characteristic telescopic slide used to vary the length of the tube and so change pitch. It is distinguished from later trombones by its smaller, more cylindrically-proportioned bore, its less-flared bell, and its lighter overall sound profile. Unlike the earlier slide trumpet from which it evolved, the sackbut possesses a U-shaped slide with two parallel sliding inner tubes, rather than just one (Wikipedia: Sackbut). The instrument is the immediate ancestor of every modern trombone in the orchestra and brass band.
Origin and history
The trombone family developed from the buisine trumpet. Until 1375 trumpets were simply long straight tubes with a bell flare. From 1375 onwards iconography shows trumpets being made with bends, and some in S-shapes. Around 1400 the “loop”-shaped trumpet appeared in paintings, and at some point in the 15th century a single-tube slide was added — the slide trumpet known as the trompette des ménestrels in the alta cappella bands.
The earliest clear evidence of a U-shaped slide moving on two inner tubes appears in a fresco by Filippino Lippi in Rome, The Assumption of the Virgin (1488–1493). From this point onwards the instrument we now call the sackbut spread rapidly across Europe, becoming a staple of court chapels, civic wind bands, and the doubling of vocal lines in sacred polyphony. The instrument retained its essential design through the Baroque era. Various uses of sackbut-like words in translations of the Bible — including the Geneva Bible and King James Bible — derive from a faulty rendering of the Vulgate; the underlying Latin term actually referred to a type of harp (Wikipedia: Sackbut § History).
Construction and materials
The bore size of Renaissance and Baroque trombones is approximately 10 mm, and the bell rarely more than 10.5 cm in diameter. By comparison, modern tenor trombones commonly have bores from 12.7 mm to 13.9 mm and bells from 17.8 cm to 21.6 cm. The narrower bore and smaller bell account for the sackbut’s notably lighter, more vocal sound — well suited to blending with voices and cornetts in chapel ensembles, where the modern trombone would overwhelm.
Some original instruments could be disassembled into constituent straight tubes, bowed tubes, bell flare, and stays, with ferrules at the joints; Marin Mersenne provides a detailed diagram in L’Harmonie universelle (1636). Modern reproductions of sackbuts sacrifice some authenticity to harness contemporary manufacturing techniques and inventions that make them more comfortable for modern players, while retaining much of the original character. Active modern makers include Egger of Basel, Ewald Meinl in Geretsried, Geert Jan van der Heide in the Netherlands, Thein in Bremen, and Michael Rath in Huddersfield. The modern German “church trombone” also resembles a sackbut.
Playing technique
Sackbut technique centres on the slide and the player’s ear. Until some time in the 18th century the instrument was thought of as being in A, with that A pitched about a half-step higher than today’s A — roughly 460–480 Hz, the so-called Chorton pitch shared with church organs and cornetts across Europe. Aurelio Virgiliano‘s treatise Il dolcimelo (c. 1600) teaches trombonists that first position gives A, E, A, C, E and G. The transition to thinking of the instrument in B-flat at A=440 Hz happened around the 18th century and required no change in the instrument itself — only a renaming of the notes for given slide positions.
In musical traditions that continued from the Renaissance into the Baroque, musicians were expected to give expression to the written music by ornamenting with a mixture of one-note “graces” and whole-passage “divisions” (also known as “diminutions”). The 16th- and early 17th-century Italian division tutors discuss graces such as the accento, portar della voce, tremolo, groppo, trillo, esclamatione, and intonatio. Francesco Rognoni in 1620 described tonguing as the most important component of producing a good and beautiful effect on a wind instrument.
Cultural context
Through the 16th and 17th centuries the sackbut was indispensable to courtly alta cappella wind bands, civic Stadtpfeifer ensembles in German-speaking lands, and the cornett-and-sackbut consorts that doubled vocal lines in Catholic and Lutheran sacred music alike. Bottrigari (Venice, 1594) wrote that “cornetts and trombones… play divisions that are neither scrappy, nor so wild and involved that they spoil the underlying melody and the composer’s design: but are introduced at such moments and with such vivacity and charm that they give the music the greatest beauty and spirit.”
Notable players and examples
The sackbut features prominently in the sacred works of Giovanni Gabrieli at St Mark’s in Venice, Heinrich Schütz in Dresden, Claudio Monteverdi (notably in the Vespers of 1610), and Johann Sebastian Bach, who scored tromba da tirarsi and trombone parts into many cantatas. The historically informed performance movement of the late 20th and early 21st centuries has restored the sackbut to its rightful place in this repertoire, and ensembles such as His Majestys Sagbutts and Cornetts (UK) are devoted to its revival.
Comparison with related instruments
The sackbut sits between the medieval slide trumpet — from which it evolved by adding a second sliding tube — and the modern trombone into which it gradually grew through the 18th and 19th centuries. The defining structural difference from the slide trumpet is the U-shaped double slide. The defining structural difference from the modern trombone is scale: bore around 10 mm versus 12.7–13.9 mm, bell around 10.5 cm versus 17.8–21.6 cm. Sackbuts were built in alto, tenor, and bass sizes (and sometimes contrabass), mirroring the four-part vocal polyphony of the period — a family logic that still shapes today’s alto-tenor-bass trombone section.
FAQ
Is the sackbut just an old trombone?
Functionally yes — it has the same slide mechanism — but its smaller bore and bell give it a much lighter, more vocal tone that blends with voices and cornetts in a way the modern trombone cannot.
Where does the name “sackbut” come from?
The English word entered the language by way of Old French and Spanish forms (saqueboute, sacabuche) and is widely understood to derive from verbs meaning “pull-push,” referring to the slide action. (The Bible mentions of “sackbut” in the King James and Geneva Bibles, however, are mistranslations of a Vulgate term that actually meant a type of harp.)
What pitch did sackbuts play at?
Until some time in the 18th century the sackbut was thought of as being in A, with that A around 460–480 Hz — about a half-step higher than today’s standard. The shift to thinking of the instrument in B-flat at A=440 was a renaming, not a structural change.
Who still plays the sackbut today?
Specialists in historically informed performance, primarily for Renaissance and Baroque sacred and ceremonial repertoire. Active makers include Egger (Basel), Meinl (Germany), Rath (Huddersfield), and several others.
What sizes did sackbuts come in?
Alto, tenor, bass, and occasionally contrabass — paralleling the four-part vocal texture of Renaissance polyphony. The tenor was the standard solo voice; the alto sat above and the bass below.
