GUI issues with m4a and ogg

[eusii]

Quick look at the files and they are missing important tags like Album or Title. Fix that up and the issues will probably go away.

Code:

pi@rp2:~ $ telnet localhost 6600
Trying ::1...
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
OK MPD 0.22.4

lsinfo "USB/VFAT128/Test_mixed/eusi/YUNGBLUD - ice cream man (Official Audio) (128kbit_AAC).m4a"
file: USB/VFAT128/Test_mixed/eusi/YUNGBLUD - ice cream man (Official Audio) (128kbit_AAC).m4a
Last-Modified: 2021-04-15T14:54:08Z
Format: 44100:f:2
Artist: YUNGBLUDVEVO
Title: YUNGBLUD - ice cream man (Official Audio)
Date: 2020
Comment: https://www.youtube.com/watch?v=YnK66zxJpR0
Time: 191
duration: 191.170
OK

lsinfo "USB/VFAT128/Test_mixed/eusi/YUNGBLUD - it's quiet in beverly hills (Official Audio) (152kbit_Opus).ogg"
file: USB/VFAT128/Test_mixed/eusi/YUNGBLUD - it's quiet in beverly hills (Official Audio) (152kbit_Opus).ogg
Last-Modified: 2021-04-15T14:54:08Z
Format: 48000:f:2
Time: 155
duration: 155.188
OK

She told me that she gets some tracks from some streaming services like youtube to listen them offline. The tool she uses just provides the files directly from those services (without transcoding etc).

That means I always needs to update the tags of those audio tracks before using it?

I tried Mp3tag and added title and artist to the ogg files. Now I can see the time, however the icon changed from the nice "audio icon" to a "undefined" -.- Which tag do I need to update to see the audio icon?

Thanks!