258 Royalty-Free Audio Tracks for "Unknown"

A cymbal swell or roll with long-ish attack. Medium-sized zildjian cymbal (exact type unknown). Stereo recording with akg 451 mics 44k/24bit.

Atmosphere Simple ambient track that I produced with laptop-only while waiting for some friends at an event. On the verge of mysterious, possible use for deep mystery of unknown levels of benevolence. Source: Kevin MacLeod - Kevin MacLeod

Midi of the melody of the German children's song "Alle meine Entchen". Author of the melody is unknown but the melody was already used by Smetana 1875, so the composer is surely dead for longer than 70 years.

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Sveriges Radios folkmusikinspelningar. Dokumentatör: Sveriges Radio (Q1543058) Radiotjänsts ursprungliga produktionsnummer: 38/2512

Sveriges Radios folkmusikinspelningar. Dokumentatör: Sveriges Radio (Q1543058) Radiotjänsts ursprungliga produktionsnummer: 38/2512

U.S. Marine Corps Band from San Diego playing "Scotland the Brave" in Pleasanton, California on September 3, 2010.

Recorded in the back garden. I think the bats are enjoying all the airborne bugs in this heatwave. Microphone: magenta bat5recorder: olympus ls10processing: audacitylocation: east finchleybat species: unknown.

Sveriges Radios folkmusikinspelningar. Dokumentatör: Sveriges Radio (Q1543058) Radiotjänsts ursprungliga produktionsnummer: 38/2512

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Le Mali, the Malian national anthem.

Unknown local qrm in qth jn79ek. Frequency 3522 khz, day time. Strength: s9+20 db in peaks. It looks like a terrible spark-telegraph. . . Any traffic is impossible during this qrm.

I hope it sounds like weird signal. Alarm-like, it should represent stressful encounter of the unknown. Made with fl-studio 11 (3xosc and a bunch of effects).

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

A cymbal crash sampled from my technics sx-kn720. Size of cymbal unknown.

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

Complex sound from a unknown engine next to a milking parlour. France, nov2022. Recorded with a pair of clippy em172 in ab setuprecorded on sounddevice mixpre648khz, 24 bits, wave stereo.

Spooky ghostly whispers, good to use if someone is going insane or battling with some unknown spiritual force.

Unknown bird species from bellingham washington, recorded with a zoom h2. If you know what kind of bird this is, i would love to know in the comments :).

Recording of a modern sewing machine (brand unknown) sewing three basic zigzag seams. Recorded for hermann hiller's performance at mope08 performance art festival in vaasa,finland.

Sveriges Radios folkmusikinspelningar. Spelmansstämma i Leksand. Dokumentatör: Radiotjänsts ursprungliga produktionsnummer: 51/15093

This sound makes me think of a character walking through an empty unfamiliar corridor. Everything seems calm, but something dangerous might be any step ahead. Based on 350468. Paulstretched and made loopable.

A relatively old vocal recording of the State Anthem of the Republic of Ķaraķalpaķstan found online, performed by the National Symphony Orchestra of Uzbekistan and unknown chorus.

An instrumental U.S. recording of "Wilhelmus van Nassouwe", the Dutch national anthem.

Slovakia's national anthem. Čeština: Nápěv písně Nad Tatrou sa blýska Slovenčina: Nápev piesne Nad Tatrou sa blýska

Sons o llenguatges/suro dins el riu de gent/ara tu o jo/. (sounds or languages/floating down the river of people/now you or me).

Sveriges Radios folkmusikinspelningar. Dokumentatör: Matts Arnberg (Q5559459) Radiotjänsts ursprungliga produktionsnummer: 55/1264 Sv:1:5

Field recording of an unknown animal in a small-town wooded lot at night. Also has insect sounds and distant traffic. Stereo recording made with a zoom recorder using the built in mics. Added by hdw.

One verse of the national anthem of Kenya; an instrumental recording performed by the United States Navy Band.

I made this file and used paulstretching and pitch change. I liked it. It's pretty much indescribable so see what you think. I hesitated to put "angels" on it but it does sound at some point like a host of voices.

Do not use without my permission. If i say no i'm not just saying it for the sake of using a 2 letter word beginning with n and ending in o. If you do use any of my sounds you must credit me.

Государственный гимн Советского Союза, 1968National anthem of the Soviet Union in its post-1955 arrangement; the exact date of recording is unknown but it is probably from at least 1968.

A very squeaky door being open and closed in a recording booth, kind of spooky soundingrecorded with the nearest mic (a dynamic shure microphone, model unknown) with some noise removal applied afterwards.

A group of 8 troops went into battle and came across an unknown terrifying enemy,with all their might they attempt to defend themselves.

Bahasa Indonesia: "Nad Tatrou sa blýska", lagu kebangsaan Slowakia, tanpa nyanyian. "Nad Tatrou sa blýska", the national anthem of Slovakia, played instrumentally.

Sveriges Radios folkmusikinspelningar. Dokumentatör: Matts Arnberg (Q5559459) Radiotjänsts ursprungliga produktionsnummer: 55/1264 Sv:1:6

An instrumental U.S. recording of "Wilhelmus van Nassouwe", the Dutch national anthem.

Did you hear that?. I isolated this sound from an ambience recording and edited it (added reverb and stuff).

An instrumental recording of "Wilhelmus van Nassouwe", the national anthem of the Kingdom of the Netherlands.

While Shepherds Watched their Flocks by Night; Christmas Carol; The old Melody arranged for four voices by Robert Jackson; score published by Beal, Stuttard & Co Ltd, 231 Oxford Street, London, date unknown

This ambience sounds uncanny and rather other-worldly, like it was recorded in some unknown alien planet. Perfect for setting up creepy and intense moments in any of your horror media.

Bubble of a small stream or brook, close, vers 1. Recorded in the spring in the countryside of sweden. Field-recording of an actual small stream. Recordning date: unknown. Equipment: sony digital recorder (16 bit). Sony stereo mic.

All verses of the national anthem of Kenya; an instrumental recording performed by the United States Navy Band.