<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '201'
                                          'artist'  'RotFront'
                                     'text_people'  ''
                                         'release'  'Emigrantski Raggamuffin'
                                           'title'  'Gypsy Eyes'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['russian', 'russendisko', 'ska', 'folk', 'klezmer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '17'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '98'
                                             'key'  '9B'
                                        'acoustid'  '6e7250e0-b6ff-47d2-9348-7a2d40ad2e69'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382f1850>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=980377"/>
'TALB' (Album/Movie/Show title)                     'Emigrantski Raggamuffin'
'TBPM' (BPM (beats per minute))                     '98'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-06-05'
'TIPL' (Involved people list)                       TIPL(encoding=&lt;Encoding.UTF16: 1&gt;, people=[['producer', 'Kraans de Lutin'], ['mix', 'Vicente Celi']])
'TIT2' (Title/songname/content description)         'Gypsy Eyes'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'RotFront feat. Miss Flint'
'TPE2' (Band/orchestra/accompaniment)               'RotFront'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Essay Recordings'
'TRCK' (Track number/Position in set)               '11/17'
'TSO2'                                              'RotFront'
'TSOP' (Performer sort order)                       'RotFront feat. Miss Flint'
'TSRC' (ISRC (international standard recording code))  'DEAZ20900321'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf53.32.100'
'TXXX:ASIN'                                         'B0020H5QPK'
'TXXX:Acoustid Id'                                  '6e7250e0-b6ff-47d2-9348-7a2d40ad2e69'
'TXXX:Artists'                                      'RotFront/Miss Flint'
'TXXX:BARCODE'                                      '881390202126'
'TXXX:CATALOGNUMBER'                                'AY CD 21'
'TXXX:MusicBrainz Album Artist Id'                  '1b1b5c56-2120-4437-8bae-d1a733ce1566'
'TXXX:MusicBrainz Album Id'                         '3fed3ec7-96da-497e-989f-0b9e711378d2'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1b1b5c56-2120-4437-8bae-d1a733ce1566/2da18693-762b-4df0-bf5c-941f267af2a4'
'TXXX:MusicBrainz Release Group Id'                 'f1360adc-6df6-4690-8de5-6adafbfdf757'
'TXXX:MusicBrainz Release Track Id'                 'b530e27d-46b6-3ff3-8419-cfafae6534be'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:compatible_brands'                            'isommp42'
'TXXX:lastfmtags'                                   ['russian', 'russendisko', 'ska', 'folk', 'klezmer']
'TXXX:major_brand'                                  'mp42'
'TXXX:minor_version'                                '0'
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.441537'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f6a8dd88-7756-4cd9-9ef9-a05220022110')

========================== row from database ==========================
                                              'id'  980377
                                            'path'  /data/Music/Bulk/00localcharacter/Rotfront - Emigrantski Raggamuffin/RotFront - Gypsy Eyes.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  201
                                           'genre'  loc-unsorted
                                        'filesize'  3339333
                                           'mtime'  1637438262
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Rotfront loc unsorted
                                      'tag_artist'  RotFront
                                     'tag_release'  Emigrantski Raggamuffin
                                       'tag_title'  Gypsy Eyes
                                             'bpm'  98.0
                                    'search_title'  'eyes':2 'gypsy':1
                                   'search_artist'  'front':3 'rot':2 'rotfront':1
                                  'search_release'  'emigrantski':1 'raggamuffin':2
                                     'search_rest'  'loc':2 'rotfront':1 'unsorted':3
                                    'search_combo'  'emigrantski':6C 'eyes':2A 'front':5B 'gypsy':1A 'loc':9 'raggamuffin':7C 'rot':4B 'rotfront':3B,8 'unsorted':10
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'russendisko', 'ska', 'folk', 'klezmer']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637438261.729704  (2021-11-20 20:57:41)
                             'size'  3339333