[mb-users] Time spans within recordings

Per Starbäck <[email protected]> Mon, 7 Oct 2013 14:34:17 +0200
Newsgroups gmane.comp.audio.musicbrainz.user
Message-ID <CADkQgvvaFcxDkvMzWSXZQ3Bj2dHqpbM3S6-QrbmiPT0pQwhsDw@mail.gmail.com>
This is a probably complicated but big feature request for me. I don't have
a ready proposal, but just want to throw it out in the open.

ARs with recordings should be able to have a sequence of timespans for the
recording!

This opens up for lots of good stuff. For a medley you could state where in
the recording a particular song is played. For an performance you could
state which part of the track that performance is heard on. You could state

A big part of what makes Musicbrainz exciting to me is actually not
anything that is seen today, but how I imagine it will be when we have even
more data and when that data is used and presented in even more ways. In
particular I'd want music players that use Musicbrainz a lot more, and this
is exactly the type of thing I'd want them to use. A music player should be
able to show the current song title in a medley. And it would be really
good if it shows "trumpet solo by Chet Baker" while he is playing!

Jazz credits often say which order solos come in, but currently if there
are two different trumpet solos in one song and two different credits with
trumpet solo there is no way to state in Musicbrainz which is which (except
with an annotation, of course).

-- "Times aren't exact anyway"

Sure. Tracks for the same recording can differ several seconds in length.
But still, these times would be approximately right, which is quite enough.

-- "People wouldn't bother adding this anyway"

It would be extra work, so would only be added for stuff people care extra
about. But hey, that which people care extra about to enter they also care
extra about to have!

-- "Why 'sequence of timespans' instead of just 'a timespan'

It just seems more right. I'd much prefer one relation that John Doe has
spoken vocal credit for 0:11--0:19 and 1:16--1:52 than to have that in two
relations. Having two relations would break the DRY principle, and would
for instance be less practical if John Doe should be corrected to another
John Doe.

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