Music list/search by artist only shows songs by album, ignores songs without album

[mvglasow]

Bug report

Describe the bug

Here is a clear and concise description of what the problem is:

When browsing (or searching for) songs by artist, songs without album information are not reachable; songs with album information are only reachable through the album.

Expected Behavior

Here is a clear and concise description of what was expected to happen:

Kore shows a list from which all songs by the artist are reachable, whether they have album information or not.

Actual Behavior

Kore shows a list of albums by the artist (or which contain at least one song by the artist – would need to be checked). There is no way to find a song which has no album information (e.g. because it was not included on an album). For a song which is on an album, you need to know the album, or guess it, or search all albums.

Possible Fix

Sort songs similar to the way Kodi does, with two extra entries in the album list: all songs by that artist (regardless of their album information), and a list of singles (i.e. all songs without album information).

To Reproduce

Steps to reproduce the behavior:

1. Populate your music library with some songs by a particular artist, some with an album in the ID3 tag, some without (though otherwise with a valid ID3 tag).
2. Make sure the music library on Kodi and the mirror on Kore has been refreshed and is up to date.
3. In Kore, go to Music > Artist (optionally search for an artist) and select one.

Debuglog

The debuglog can be found here:
Since this seems to be a design issue rather than a programming error and should be easy to reproduce, a debug log presumably will not be of much use. If you still need one, get back in touch.

Screenshots

Here are some links or screenshots to help explain the problem:

Additional context or screenshots (if appropriate)

Here is some additional context or explanation that might help:

This issues has been present in all combinations of Kodi/Kore for as long as I can remember (I have been using this combination since 2013/14).. Presumably no one ever thought about this use case (search for non-album songs by a particular artist, or by artist without knowing the album).

Your Environment

Used Operating system:

• Mobile device: Fairphone 4
• Android version: 12
• Kodi version and platform: Kodi 19.4, OSMC
• Kore version: 3.0.0

note: Once the issue is made we require you to update it with new information or Kodi versions should that be required.
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