======================== unified (from filesystem) ========================
                                         'bitrate'  '151.367'
                                        'duration'  '208'
                                          'artist'  'John Lennon'
                                     'text_people'  ''
                                         'release'  'The Best Of'
                                           'title'  'Woman'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'pop', 'british', 'classic rock']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '142.407'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Best Of'
'TBPM' (BPM (beats per minute))                     '142.407'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1984'
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'Woman'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Lennon'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.480970'

========================== row from database ==========================
                                              'id'  1388797
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/11 - Woman.mp3
                                         'working'  None
                                         'bitrate'  151
                                    'duration_sec'  208
                                           'genre'  rock-cppex-classic
                                        'filesize'  3954198
                                           'mtime'  1636039342
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 11 rock cppex classic
                                      'tag_artist'  John Lennon
                                     'tag_release'  The Best Of
                                       'tag_title'  Woman
                                             'bpm'  142.407
                                    'search_title'  'woman':1
                                   'search_artist'  'john':1 'lennon':2
                                  'search_release'  'best':2 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'classic':9 'cppex':8 'files':5,6 'loose':3,4 'rock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'best':5C 'classic':15 'cppex':14 'files':11,12 'john':2B 'lennon':3B 'loose':9,10 'of':6C 'rock':13 'the':4C 'unsorted':8 'woman':1A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
                                        'tag_date'  1984
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1636039342.0904033  (2021-11-04 16:22:22)
                             'size'  3954198