======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '165'
                                          'artist'  'Amalia Rodrigues'
                                     'text_people'  ''
                                         'release'  'Vou dar de beber a dor'
                                           'title'  'Fado nocturno'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fado', 'female vocalists', 'portuguese', 'portugal', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '144.130'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vou dar de beber a dor'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Fado nocturno'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Amalia Rodrigues'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fado', 'female vocalists', 'portuguese', 'portugal', 'world']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.27 dB'
'TXXX:replaygain_track_peak'                        '0.294367'

========================== row from database ==========================
                                              'id'  1492206
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Amalia Rodrigues - Uma Casa Portuguesa/08 - Fado nocturno.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  165
                                           'genre'  loc-unsorted
                                        'filesize'  3977088
                                           'mtime'  1678456338
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe Uma Casa Portuguesa 08 loc unsorted
                                      'tag_artist'  Amalia Rodrigues
                                     'tag_release'  Vou dar de beber a dor
                                       'tag_title'  Fado nocturno
                                             'bpm'  144.13
                                    'search_title'  'fado':1 'nocturno':2
                                   'search_artist'  'amalia':1 'rodrigues':2
                                  'search_release'  'a':5 'beber':4 'dar':2 'de':3 'dor':6 'vou':1
                                     'search_rest'  '00mid':1 'casa':5 'europe':3 'loc':7 'north':2 'portuguesa':6 'uma':4 'unsorted':8
                                    'search_combo'  '00mid':11 'a':9C 'amalia':3B 'beber':8C 'casa':15 'dar':6C 'de':7C 'dor':10C 'europe':13 'fado':1A 'loc':17 'nocturno':2A 'north':12 'portuguesa':16 'rodrigues':4B 'uma':14 'unsorted':18 'vou':5C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['fado', 'female vocalists', 'portuguese', 'portugal', 'world']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678456337.9546945  (2023-03-10 14:52:17)
                             'size'  3977088