In 2008, a flute carved from vulture bone was unearthed in the Hohle Fels cave in Germany. It dates to roughly 35,000 years ago — one of the oldest known pieces of evidence that human beings shaped tools for purposes beyond survival. We cannot know what melodies this five-holed bone flute produced, but the very fact that someone blew breath across it beside a cave painting carries its own profound meaning.

Musicians playing angular harps appear frequently in the murals of Egypt's Old Kingdom period. The royal tombs of Ur in Mesopotamia yielded lyres adorned in gold. In this era, instruments were fashioned from what nature provided directly: bone, hide, reed, and animal gut. Making an instrument was the act of converting the by-products of the hunt into sound. Performance was either ritual offering to the gods or signal on the field of battle.

Around the 6th century BCE, the bianzhong bell chime and bianqing stone chime were established as central instruments of Chinese court ritual, while the pipa travelled westward from Central Asia along the Silk Road to become a mainstay of Tang dynasty orchestras. On the Korean peninsula, Wang Sannak of Goguryeo adapted the Chinese seven-stringed qin to create the geomungo, and the gayageum emerged from the Gaya confederacy. East Asian organology was systematised according to the 'eight sounds' — a classification by material: metal, stone, silk, bamboo, and others.

In Europe during the same era, the church was the axis around which instrument development turned. Early pipe organs installed in monasteries from around the 9th century forced air through hundreds of metal and wooden pipes to fill the stone space of a cathedral with a magnificent sound. In secular music, the lute was the beloved accompanying instrument of the troubadour. Eastern and Western instruments each developed independently on the foundations of their own pitch systems and aesthetics, yet they cross-pollinated ceaselessly through the Silk Road and the Crusades.

In 16th-century northern Italy, in Cremona, a golden age of stringed-instrument making began. Andrea Amati established the prototype of the violin, and in time Antonio Stradivari and Giuseppe Guarneri — carving Alpine spruce and maple — produced resonance that even modern technology struggles to replicate. Their instruments remain the finest solo instruments in use, three centuries on.

Wind instruments evolved rapidly during the same period. The Renaissance shawm was refined into the Baroque oboe, and the flute was redesigned from a cylindrical to a conical bore, expanding its range and tonal palette. Instrument-making became the finest guild craft, where scientific proportion and the craftsman's intuition met. Upon the instrumental standards established in this era, composers began to erect the great sonic architecture known as the orchestra.

Around 1700, Florentine instrument-maker Bartolomeo Cristofori broke through the limitations of the harpsichord. Instead of plucking the strings with a quill, he devised an escapement mechanism in which a leather-covered hammer struck the string and immediately returned to rest. The volume of sound now varied according to the force applied to the key, and he named the instrument 'piano e forte' — soft and loud.

In the 19th century, the Industrial Revolution replaced wooden frames with cast iron, dramatically increasing string tension and volume. The piano was elevated from a salon instrument for the drawing room to a concert instrument capable of filling a large hall. Chopin explored the lyrical sonorities unique to the piano to their furthest limit; Liszt dazzled audiences with transcendental technique. The piano became the only solo instrument that spans the full range of the orchestra, and for composers it became both a thinking tool and a musical laboratory.

Before the 19th century, brass instruments were limited to the natural harmonic series. Horn players inserted a hand into the bell to adjust pitch, and trumpet players had to swap crooks to change keys. Around 1815, the rotary valve was invented in Germany and the piston valve in France, eliminating these constraints. Brass instruments became fully chromatic melodic instruments for the first time.

In 1846, Belgian inventor Adolphe Sax patented the saxophone — combining the dynamism of brass with the flexibility of woodwind. Designed for military bands, it was transformed in the 20th century into the defining instrument of jazz. Late Romantic composers from Berlioz through Wagner to Mahler exploited the explosive power and vivid colour of the valved brass to construct large-scale orchestras of a hundred players or more. The orchestra in this period assumed the complete four-section instrumentation it retains today.

In the big-band jazz of the 1930s, the guitar was buried beneath the horns and the piano — a victim of the physical limits of acoustic resonance. The invention of a pickup that converted string vibration into an electrical signal through electromagnetic induction allowed the guitar, through an amplifier, to project more volume than any other instrument.

In the 1950s, Fender and Gibson mass-produced solid-body electric guitars, and the instrument's own distinct tonal character began to create genres. The distortion produced by overdriving a vacuum-tube amplifier was not 'broken noise' but the controlled aesthetic of rock music. When Jimi Hendrix played the American national anthem on guitar at Woodstock in 1969, it was a proclamation: the electric instrument had become the sharpest tool available for expressing the anger and freedom of an era.

The synthesizer commercialised by Robert Moog in 1964 conjured sounds that did not exist in nature — built from the rise and fall of voltage. Generating sine waves and sawtooth waves, then carving out harmonics with a filter, was less a performance than a programming of sound. When the Yamaha DX7 popularised digital FM synthesis in 1983, and Roland's TR-808 brought the electronic drum beat to the masses, the sounds of synth-pop and hip-hop were born.

In 1996, Steinberg's VST technology replaced hardware synthesizers costing tens of thousands of dollars with laptop plug-ins. The combination of DAWs such as Ableton Live and sample libraries hundreds of gigabytes in size opened the era of the bedroom producer. The history of instruments — which began with a bone flute — had arrived at the point of designing sound waves through algorithm, without any physical vibration at all.