Music created by accident

Music created by several people, by improvising, and which, against all odds, turns out to be successful, perfect

Music that you don't know if you composed it or not

Music that is born by chance from the conjunction of life's noises (horns, sirens, etc)

Music heard and recorded, used without knowing what it is

Music that you have in your head and that you cannot transcribe or reproduce

Music that you can only hum a few notes of, and that you like, evocative, but that you have almost completely forgotten

Music played in a deserted place, for nobody

Music written on a score, in an indecipherable notation system

Music written for instruments that don't exist or no longer exist, of which one has no idea of their sound

Music recorded on unreadable media or from which only fragments can be read

Work transmitted by dream or telepathy

Work dictated by God or an entity

Music played on an absolutely unique occasion

Music composed for another artist

Music composed secretly for another artist

Music composed secretly or not for another human being, in their honour or memory

Music of another, modified, manipulated, distorted

Stolen music

Commissioned music

Apocryphal work

Work by a fictitious author

Work that does not exist but has an author's name, title, tracklist and imaginary content described in detail

Lost work of which only reviews remain

Work of which only fragments remain, of varying sound quality

Work with uncertain or even unknown author, title and precise content

Unknown work

Work whose existence or not is subject to debate

Work known to be fictitious or apocryphal but whose provenance is in doubt

Finished album / Album in constant reworking

Album with a defined playlist / Album with a changing playlist

Unique complete work, permanently expanded, virtually infinite

A piece of music with an ever-increasing, virtually infinite duration.

Release in the form of an album (cassette, vinyl, CD)

Immaterial release (mp3 album to be downloaded for free or not)

Radio playback only

Use as a soundtrack for a film or a play

Soundtrack for a fictitious film or play

Fake radio show

Background music for a website

Music for a video game

Background music for any space (supermarket, museum...)

Telephone ringtone

Free availability in record shops' bins

Free availability in public places

Mailing to randomly selected persons

Mailing to selected persons

Donation to one or more persons to whom the work will be exclusively reserved

Distribution on p2p

Dissemination on p2p by lying (pretending it's Madonna or another highly sought-after artist)

Dissemination via a website or blog whose address may be secret and reserved for a selected audience, or disclosed publicly, or even to an ultra-large audience by means of wild advertising (stickers in the streets, etc.)

Spam by e-mail

Wild concert

Wild Djing

Evening performance

Work played via telephone for someone

Work composed to be a ringtone

The work played live only, for a chosen audience

Music played at high volume through headphones as a means of torture

Military song

Class-related song

Revolutionary song

Religious song / Funeral song

Nursery rhyme

Music that is false and unbearable, but pure and sublime in another world, for other beings

Music that appeals to a sensory apparatus that human beings do not have.

Music that is audible to humans but is only a small part of a larger sensory work for beings with a much wider perception.