Promo MP3s: how underground metal bands hand out their music

Long before a record reaches a shop, it exists as a promo: a handful of tracks a band or a small label sends out to writers, radio hosts, promoters and anyone who might book a show. The promo is the working copy of a release. It is meant to be listened to once, judged quickly and passed along, which is exactly why so few of them survive.

What a promo actually is

A promo is short. Two or three tracks are common, sometimes a single song, sometimes a rough mix of a whole side. The packaging is plain — a file name, a band name, a track title, occasionally nothing else. There is no booklet, no artwork worth keeping and no guarantee that what you hear is the final mix. That is the point: the band wants a reaction before the release is locked, and a reviewer wants to hear the band, not the design.

Because a promo travels by hand, it carries a social obligation with it. Somebody vouched for the band when they sent it. In the underground that chain of small favours does more work than any marketing budget, and a promo that gets forwarded twice has already succeeded.

Why the files disappear

Promo pages were never built to last. A band would put the tracks up while the release was being pushed, take them down when the record came out, and the page would stay behind as an empty shelf. Labels folded, hosting lapsed, file formats came and went, and a link that made sense during one album cycle pointed at nothing a few cycles later. Nothing dramatic happened to those recordings — they simply stopped being the version anyone was supposed to hear.

The writing around them often outlives the files. A short news item announcing that a band has put up promo tracks can stay readable for a very long time, while the tracks themselves are gone within a season. Anyone following an old trail is usually reading the announcement, not hearing the music.

How to hear the band now

Start with the name of the release rather than the name of the file. A promo track almost always reappears later under a proper title, on a demo compilation, a split, a reissue or a band-run page, and the later version is the one the band stands behind. Search the label as well as the band: small labels tend to keep their back catalogue listed even when individual pages rot.

Ask the band directly if they are still active. Underground acts answer messages more often than people expect, and many of them have a full archive sitting on a hard drive because nobody else kept one. Where a band is long gone, the people who ran the label, the fanzine or the local venue are the next best memory.

What is worth keeping

If you collect, keep the context and not only the audio. A track with no band name, no release name and no source is a puzzle nobody can solve later, and a great deal of underground material has been lost that way — not deleted, just made unidentifiable. Write down where a recording came from, what it was called and what it was part of. That single habit is the difference between an archive and a folder of orphan files.

Promos were meant to be temporary. Treating them as documents rather than downloads is what turns a scattered scene into something that can still be heard.