======================== unified (from filesystem) ========================
                                         'bitrate'  '136.663'
                                        'duration'  '356'
                                          'artist'  'Iron & Wine'
                                     'text_people'  ''
                                         'release'  'Pitchfork: The Top 500 Tracks of the 2000s'
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                                      'lastfmtags'  "['indie', 'acoustic', 'indie rock', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or '
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                                             'bpm'  '99.665'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pitchfork: The Top 500 Tracks of the 2000s'
'TBPM' (BPM (beats per minute))                     '99.665'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'ifs-songwriter-folk',
 'ifs-songwriter-indie-pop']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Upward Over the Mountain'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Iron & Wine'
'TRCK' (Track number/Position in set)               '300'
'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:lastfmtags'                                   ['indie', 'acoustic', 'indie rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+13.40 dB'
'TXXX:replaygain_track_peak'                        '0.118349'

========================== row from database ==========================
                                              'id'  1350851
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/300 - Iron & Wine - Upward Over the Mountain.mp3
                                         'working'  None
                                         'bitrate'  137
                                    'duration_sec'  356
                                           'genre'  electronic-generic or radio-unsorted;ifs-songwriter-folk;ifs-songwriter-indie-pop
                                        'filesize'  6089151
                                           'mtime'  1642256487
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 300 electronic generic radio unsorted;ifs songwriter folk;ifs songwriter indie pop
                                      'tag_artist'  Iron & Wine
                                     'tag_release'  Pitchfork: The Top 500 Tracks of the 2000s
                                       'tag_title'  Upward Over the Mountain
                                             'bpm'  99.665
                                    'search_title'  'mountain':4 'over':2 'the':3 'upward':1
                                   'search_artist'  'iron':1 'wine':2
                                  'search_release'  '2000s':8 '500':5 'of':7 'pitchfork':1,2 'the':3 'top':4 'tracks':6
                                     'search_rest'  '00poprockelectronic':1 '300':3 'electronic':4 'folk':12,14 'generic':5 'ifs':8,10,13,15 'indie':16 'pop':17 'radio':6 'songwriter':11 'unsorted':7,9 'va':2
                                    'search_combo'  '00poprockelectronic':15 '2000s':14C '300':17 '500':11C 'electronic':18 'folk':26,28 'generic':19 'ifs':22,24,27,29 'indie':30 'iron':5B 'mountain':4A 'of':13C 'over':2A 'pitchfork':7C,8C 'pop':31 'radio':20 'songwriter':25 'the':3A,9C 'top':10C 'tracks':12C 'unsorted':21,23 'upward':1A 'va':16 'wine':6B
                                    'tag_tracknum'  300
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'indie rock', 'folk', 'singer songwriter']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256486.7101114  (2022-01-15 15:21:26)
                             'size'  6089151