<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '172'
                                          'artist'  'Ленинград'
                                     'text_people'  ''
                                         'release'  'RussenSoul'
                                           'title'  'Terminator'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['russian', 'punk', 'ska', 'russian rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '16'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-m-ukraine'
                                             'bpm'  '132.966'
                                             'key'  '11A'
                                        'acoustid'  'c25c7b69-cd5b-4405-99d1-cd287a0ae736'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81760>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1400373"/>
'TALB' (Album/Movie/Show title)                     'RussenSoul'
'TBPM' (BPM (beats per minute))                     '132.966'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-ukraine'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-04-12'
'TIT2' (Title/songname/content description)         'Terminator'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ленинград'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trikont'
'TRCK' (Track number/Position in set)               '15/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Leningrad'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.90, 128 Kbit/s, Stereo, Normal quality'
'TXXX:ASIN'                                         'B0001VJ752'
'TXXX:Acoustid Id'                                  'c25c7b69-cd5b-4405-99d1-cd287a0ae736'
'TXXX:Artists'                                      'Ленинград'
'TXXX:BARCODE'                                      '4015698031829'
'TXXX:CATALOGNUMBER'                                'US-0318'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '456693c4-27f1-44fc-aece-f1596553ba99'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '2bf704b3-4c05-441f-ad54-52722c1bdba9'
'TXXX:MusicBrainz Release Group Id'                 '38582b60-fb09-3d02-85a5-e650990a1910'
'TXXX:MusicBrainz Release Track Id'                 '1b150b22-a82f-3d46-a24f-b37b53d8642a'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['russian', 'punk', 'ska', 'russian rock', 'rock']
'TXXX:originalyear'                                 '2004'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.440697'
'TXXX:tracnumber'                                   '15'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'19c5c834-2fbf-4a15-8251-fe626ef740ec')

========================== row from database ==========================
                                              'id'  1400373
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Russensoul/Leningrad - Russensoul - 15 - Terminator.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  172
                                           'genre'  loc-m-ukraine
                                        'filesize'  2816801
                                           'mtime'  1621629590
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Russensoul Leningrad Russensoul 15 loc ukraine
                                      'tag_artist'  Ленинград
                                     'tag_release'  RussenSoul
                                       'tag_title'  Terminator
                                             'bpm'  132.966
                                    'search_title'  'terminator':1
                                   'search_artist'  'leningrad':2 'ленинград':1
                                  'search_release'  'russen':2 'russensoul':1 'soul':3
                                     'search_rest'  '00south':1 'east':4 'europe':2 'leningrad':6 'loc':7 'middle':3 'russensoul':5 'ukraine':8
                                    'search_combo'  '00south':7 'east':10 'europe':8 'leningrad':3B,12 'loc':13 'middle':9 'russen':5C 'russensoul':4C,11 'soul':6C 'terminator':1A 'ukraine':14 'ленинград':2B
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'punk', 'ska', 'russian rock', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629589.5894253  (2021-05-21 22:39:49)
                             'size'  2816801