No way on EAC...
But on MC yes, I am afraid...
My MC certainly makes wrong Band tags when importing files. Here is an example:
(Sorry about the length, it was needed to explain it.)
I ripped a track with MC. Nothing special in my options:
MC secure, External LAME 3.903 with command line: %IN %OUT --alt-preset extreme
Base path: E:\Rip\, Directory rule: [Artist]\[Album], Filename Rule: [Artist] - [Album] - [Track #] - [Name]
The album was not in YADB, so I filled the following tags before ripping: Artist, Name and Album.
At first, after the track was ripped to MP3 and added to the library internally by MC there was no Band tag (TPE2):
MPEG-1 Layer 3
110 Kbit VBR (with Xing header)
44.1 Khz Joint stereo
Copyrighted: No
Original: Yes
Protected by CRC: No
ID3v1 Tag: (128 bytes)
Name: Tone @ 1 kHz @ Max
Artist: Pascal Gabriel
Album: Dance Samples
Year:
Comment:
Track #: 1
Genre: undefined (255)
ID3v2 Tag: (1787 bytes)
TPE1 (Lead performer(s)/Solo..): Pascal Gabriel
TRCK (Track number/Position ..): 1
TBPM (BPM (beats per minute)): 92
TALB (Album/Movie/Show title): Dance Samples
TIT2 (Title/songname/content..): Tone @ 1 kHz @ Max
TCON (Content type): Unknown Genre
COMM (Comments):
COMM (Tool Name): Media Center
COMM (Tool Version): 10.0.149
COMM (Replay Gain): -20,12996
COMM (Peak Level): 0,99997
COMM (Intensity): 3
I deleted the file from the library and reimported it. The name of the album appeared in the Band tag. Then I added the Genre tag and MC updated the file. Of course it also wrote the Band tag to the file:
MPEG-1 Layer 3
110 Kbit VBR (with Xing header)
44.1 Khz Joint stereo
Copyrighted: No
Original: Yes
Protected by CRC: No
ID3v1 Tag: (128 bytes)
Name: Tone @ 1 kHz @ Max
Artist: Pascal Gabriel
Album: Dance Samples
Year:
Comment:
Track #: 1
Genre: Dance (3)
ID3v2 Tag: (1787 bytes)
TPE2 (Band/orchestra/accompa..): Dance Samples
TPE1 (Lead performer(s)/Solo..): Pascal Gabriel
TRCK (Track number/Position ..): 1
TBPM (BPM (beats per minute)): 92
TALB (Album/Movie/Show title): Dance Samples
TIT2 (Title/songname/content..): Tone @ 1 kHz @ Max
TCON (Content type): Dance
COMM (Comments):
COMM (Tool Name): Media Center
COMM (Tool Version): 10.0.149
COMM (Replay Gain): -20,12996
COMM (Peak Level): 0,99997
COMM (Intensity): 3
I also reimported an old album (MP3 files). It had all the usual tags except the Band tag. The same happened again. Only difference was that the rather long Album tag (The Singles Collection 1984/1990) was shortened when it appeared in the Band tag (The Singles Collection 1984/19).
Next I copied one properly tagged (without the Band tag) APE file to a different location and imported it. The Band tag was not filled. I converted it to MP3. Then I imported it to the library. Once again the Album information appeared in the Band tag. So I suppose that this is tied only to ID3 tags.
I don't think that it is any specific MC 10 version, which is adding the Band tags. I am currently using the 10.0.149. I can see that the Band tags have been written to TPE2 more constantly after the upgrade from 9.1.137 to 10.0.100. MC tag COMM(Tool Version) tells that.
I have many files that are not edited after 9.1.xxx and I can see the wrong Band tags in my library, but not yet in the ID3v2 tags (in the actual files).