======================== unified (from filesystem) ========================
                                         'bitrate'  '256.182'
                                        'duration'  '15'
                                          'artist'  'Sayyadina'
                                     'text_people'  ''
                                         'release'  'Mourning the Unknown'
                                           'title'  'Discontent'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'grindcore', 'crust', 'hardcore', 'grind']"
                                     'discogstags'  "['grindcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '21'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust'
                                             'bpm'  '134.377'
                                             'key'  '8A'
                                        'acoustid'  '566ac56e-f25d-4668-85a8-36301d596ac7'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mourning the Unknown'
'TBPM' (BPM (beats per minute))                     '134.377'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-crust'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Discontent'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sayyadina'
'TPE2' (Band/orchestra/accompaniment)               'Sayyadina'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sound Pollution'
'TRCK' (Track number/Position in set)               '8/21'
'TSO2'                                              'Sayyadina'
'TSOP' (Performer sort order)                       'Sayyadina'
'TXXX:Acoustid Id'                                  '566ac56e-f25d-4668-85a8-36301d596ac7'
'TXXX:CATALOGNUMBER'                                'POLLUTE:099'
'TXXX:MusicBrainz Album Artist Id'                  '6b82de78-3a0f-4d4b-a578-40a2c737bb82'
'TXXX:MusicBrainz Album Id'                         '0503de59-df5d-4688-8ad3-e7fd28e6fa4e'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6b82de78-3a0f-4d4b-a578-40a2c737bb82'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['grindcore', 'rock']
'TXXX:lastfmtags'                                   ['swedish', 'grindcore', 'crust', 'hardcore', 'grind']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.96 dB'
'TXXX:replaygain_track_peak'                        '0.370075'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b3e57a0a-4617-493f-a3cf-a9bd732ca072')

========================== row from database ==========================
                                              'id'  1392561
                                            'path'  /data/Music/Bulk/00dwimp/00metal/sayyadina-mourning the unknown (2007)/08-discontent-fff.mp3
                                         'working'  None
                                         'bitrate'  257
                                    'duration_sec'  15
                                           'genre'  eid-metal-crust
                                        'filesize'  509401
                                           'mtime'  1620310819
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal sayyadina mourning unknown (2007) 08 discontent fff eid metal crust
                                      'tag_artist'  Sayyadina
                                     'tag_release'  Mourning the Unknown
                                       'tag_title'  Discontent
                                             'bpm'  134.377
                                    'search_title'  'discontent':1
                                   'search_artist'  'sayyadina':1
                                  'search_release'  'mourning':1 'the':2 'unknown':3
                                     'search_rest'  '00dwimp':1 '00metal':2 '2007':6,7 'crust':12 'discontent':8 'eid':10 'fff':9 'metal':11 'mourning':4 'sayyadina':3 'unknown':5
                                    'search_combo'  '00dwimp':6 '00metal':7 '2007':11,12 'crust':17 'discontent':1A,13 'eid':15 'fff':14 'metal':16 'mourning':3C,9 'sayyadina':2B,8 'the':4C 'unknown':5C,10
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'grindcore', 'crust', 'hardcore', 'grind']
                                        'tag_date'  2007
                                     'discogstags'  ['grindcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620310819.407364  (2021-05-06 16:20:19)
                             'size'  509401