======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '430'
                                          'artist'  'The Middle East'
                                     'text_people'  ''
                                         'release'  'The Recordings Of The Middle East'
                                           'title'  'Pig Food'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'quietly lovely', 'australian', 'folk', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '145.267'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Recordings Of The Middle East'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Pig Food'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Middle East'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'quietly lovely', 'australian', 'folk', 'indie rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.471199'

========================== row from database ==========================
                                              'id'  1254117
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Middle East/The Recordings Of The Middle East/06 pig food.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  430
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  13778817
                                           'mtime'  1636400441
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 06 pig food ifs songwriter indie
                                      'tag_artist'  The Middle East
                                     'tag_release'  The Recordings Of The Middle East
                                       'tag_title'  Pig Food
                                             'bpm'  145.267
                                    'search_title'  'food':2 'pig':1
                                   'search_artist'  'east':3 'middle':2 'the':1
                                  'search_release'  'east':5 'middle':4 'of':3 'recordings':2 'the':1
                                     'search_rest'  '00singer':1 'eos':3 'food':5 'ifs':6 'indie':7 'pig':4 'songwriter':2
                                    'search_combo'  '00singer':11 'east':5B,10C 'eos':13 'food':2A,15 'ifs':16 'indie':17 'middle':4B,9C 'of':8C 'pig':1A,14 'recordings':7C 'songwriter':12 'the':3B,6C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'quietly lovely', 'australian', 'folk', 'indie rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636400441.0364456  (2021-11-08 20:40:41)
                             'size'  13778817