======================== unified (from filesystem) ========================
                                         'bitrate'  '126.917'
                                        'duration'  '485'
                                          'artist'  'Coil'
                                     'text_people'  ''
                                         'release'  'Dutch Radio4 Supplement Disc 1'
                                           'title'  'Coil Manifesto'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'industrial', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '4'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '122.2'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '330E0F04'
'TALB' (Album/Movie/Show title)                     'Dutch Radio4 Supplement Disc 1'
'TBPM' (BPM (beats per minute))                     '122.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 's_athnskint'
'TIT2' (Title/songname/content description)         'Coil Manifesto'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Coil'
'TRCK' (Track number/Position in set)               '1/4'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 0, Joint Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dark ambient', 'industrial', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.29 dB'
'TXXX:replaygain_track_peak'                        '0.840326'

========================== row from database ==========================
                                              'id'  1367757
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Coil - Throbbing Gristle 1 [169k VBR]/1. Coil Manifesto.mp3
                                         'working'  None
                                         'bitrate'  126
                                    'duration_sec'  485
                                           'genre'  electronic
                                        'filesize'  7699969
                                           'mtime'  1636912377
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Throbbing Gristle [169k VBR] 1. electronic
                                      'tag_artist'  Coil
                                     'tag_release'  Dutch Radio4 Supplement Disc 1
                                       'tag_title'  Coil Manifesto
                                             'bpm'  122.2
                                    'search_title'  'coil':1 'manifesto':2
                                   'search_artist'  'coil':1
                                  'search_release'  '1':5 'disc':4 'dutch':1 'radio4':2 'supplement':3
                                     'search_rest'  '1':7,8 '169k':3,4 'electronic':9 'gristle':2 'throbbing':1 'vbr':5,6
                                    'search_combo'  '1':8C,15,16 '169k':11,12 'coil':1A,3B 'disc':7C 'dutch':4C 'electronic':17 'gristle':10 'manifesto':2A 'radio4':5C 'supplement':6C 'throbbing':9 'vbr':13,14
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'industrial', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912376.5861545  (2021-11-14 18:52:56)
                             'size'  7699969