======================== unified (from filesystem) ========================
                                         'bitrate'  '245.694'
                                        'duration'  '214'
                                          'artist'  'E Nomine'
                                     'text_people'  ''
                                         'release'  'Das Testament'
                                           'title'  'Ave Maria'
                                           'quals'  ("['Q-MIXBEAT-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-3']")
                                      'lastfmtags'  "['german', 'gothic', 'industrial', 'electronic', 'trance']"
                                     'discogstags'  "['electronic', 'downtempo', 'euro house', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '27'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '102.8'
                                             'key'  '6A'
                                        'acoustid'  '5fbee9bd-b3f7-4c45-a548-9652529747d7'
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:CDDB Disc ID:XXX'                             '9011561C'
'TALB' (Album/Movie/Show title)                     'Das Testament'
'TBPM' (BPM (beats per minute))                     '102.8'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '2002-11-25'
'TIT2' (Title/songname/content description)         'Ave Maria'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'E Nomine'
'TPE2' (Band/orchestra/accompaniment)               'E Nomine'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Polydor'
'TRCK' (Track number/Position in set)               '20/27'
'TSO2'                                              'E Nomine'
'TSOP' (Performer sort order)                       'E Nomine'
'TSSE' (Software/Hardware and settings used for encoding)  ('Audiograbber 1.81.02, LAME dll 3.92, VBR 0 (Default method), Stereo, High '
 'quality')
'TXXX:ASIN'                                         'B000079BBL'
'TXXX:Acoustid Id'                                  '5fbee9bd-b3f7-4c45-a548-9652529747d7'
'TXXX:Artists'                                      'E Nomine'
'TXXX:BARCODE'                                      '044006529721'
'TXXX:CATALOGNUMBER'                                '065 297-2'
'TXXX:MusicBrainz Album Artist Id'                  '9db1e69b-935f-4c1d-a48c-8bcca179a25c'
'TXXX:MusicBrainz Album Id'                         'b486f003-f2ca-4651-a42c-9e50f9365f37'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9db1e69b-935f-4c1d-a48c-8bcca179a25c'
'TXXX:MusicBrainz Release Group Id'                 '7f8120eb-7532-370c-849b-3e64564a8a16'
'TXXX:MusicBrainz Release Track Id'                 'c9221f8d-4f7e-35c3-a2b2-fcc84905ef0f'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'downtempo', 'euro house', 'tech house']
'TXXX:lastfmtags'                                   ['german', 'gothic', 'industrial', 'electronic', 'trance']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.483349'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd64bbfcd-57f6-4b60-86fd-385cdd901eb5')

========================== row from database ==========================
                                              'id'  1398519
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/E Nomine - Das Testament/1-20 Ave Maria.mp3
                                         'working'  None
                                         'bitrate'  245
                                    'duration_sec'  214
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  6704922
                                           'mtime'  1639841809
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 1 20 eid ebm or industrial or darkwave industrial
                                      'tag_artist'  E Nomine
                                     'tag_release'  Das Testament
                                       'tag_title'  Ave Maria
                                             'bpm'  102.8
                                    'search_title'  'ave':1 'maria':2
                                   'search_artist'  'e':1 'nomine':2
                                  'search_release'  'das':1 'testament':2
                                     'search_rest'  '00dwimp':1 '00ebm':2 '1':6 '20':7 'darkwave':4 'ebm':9 'eid':8 'goth':5 'industrial':3 'or':10
                                    'search_combo'  '00dwimp':7 '00ebm':8 '1':12 '20':13 'ave':1A 'darkwave':10 'das':5C 'e':3B 'ebm':15 'eid':14 'goth':11 'industrial':9 'maria':2A 'nomine':4B 'or':16 'testament':6C
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'gothic', 'industrial', 'electronic', 'trance']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'downtempo', 'euro house', 'tech house']

============================== file details ==============================
                                           'mtime'  1639841809.1309447  (2021-12-18 16:36:49)
                             'size'  6704922