Old strings, slow healing.

This is the music of Japan with its shoulders lowered — old instruments, played to comfort rather than to perform.

IYASHI is a long collection of traditional Japanese instrumental music arranged for one purpose: to ease a tired mind and body. You'll hear the bright, watery notes of the koto, the breath of the bamboo flute, and the warm pluck of stringed instruments that have been part of Japanese life for centuries — all played slowly, softly, and without hurry.

What sets it apart from a concert recording is its intent. There are no dramatic peaks to sit through and no demanding passages to follow. The pieces move at the pace of a slow exhale, with plenty of silence between them. It is heritage turned into comfort — the same instruments that once filled palaces and temples, now arranged to fill a quiet evening at home.

癒し (iyashi) means healing, soothing, or comfort — but in a soft, everyday sense rather than a medical one. It is the relief of a warm bath after a cold day, the calm of a familiar garden, the unknotting of tension you didn't realise you were holding. The verb iyasu means to heal or to cure; iyashi is the gentle, restorative feeling that follows.

In Japan the word grew into a whole cultural category: iyashi-kei, or "healing-type." It describes music, films, books, characters and even places that are designed to comfort — a deliberate, soothing antidote to a society known for long hours and constant stimulation. Healing music is the most popular form of all, played in homes, spas, clinics and shops precisely because it asks nothing of the listener and gives back a little calm.

That is the promise behind this collection. It isn't trying to impress you. It is trying to mend you, quietly, one slow phrase at a time.

The koto — Japan's national instrument

The koto is a long wooden zither with 13 silk or nylon strings, each raised on a movable bridge and plucked with picks worn on the fingers. Brought from China over a thousand years ago and made wholly Japanese since, its bright, flowing, water-like sound is the heart of traditional Japanese music and the instrument most people picture when they imagine it.

The shamisen — three strings with a sharp voice

The shamisen is a three-string lute with a long neck and a small drum-like body, struck with a large plectrum called a bachi. Its sound is sharper and more percussive than the koto's — a snap and a twang that has carried everything from theatre music to folk song for some four hundred years.

The shakuhachi — breath made into music

The shakuhachi is an end-blown bamboo flute famous for its breathy, vocal tone. In the Zen tradition, monks played solo pieces called honkyoku as a form of meditation, treating each long note as an exercise in breath and presence. It is the most meditative voice in the collection.

The biwa, taiko and flutes

Around these sit the biwa, a pear-shaped lute once used to accompany epic storytelling; the taiko drums that can be thunderous in festivals but appear here only as soft, distant pulses; and bamboo flutes such as the shinobue, whose airy notes drift over the top.

The calming effect isn't a mystery, and understanding it helps you get more from it.

• The timbres are acoustic and natural. Real wood, string and breath carry tiny imperfections the ear instinctively trusts, which feels warmer and safer than polished electronic sound.
• The pace is slow and even. With no driving beat and no sudden swells, there is nothing for the body's alarm system to react to, so tension is free to drain away.
• Silence is part of the music. The generous space between phrases gives the mind room to rest instead of racing to keep up.
• There are no words. Without lyrics to decode, the thinking, verbal part of the brain can finally go quiet.

This isn't a substitute for rest, care or medicine — but as a way to make a room feel calmer and a body feel less wound-up, traditional Japanese music has been quietly doing the job for a very long time.