======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '257'
                                          'artist'  'Carly Simon'
                                     'text_people'  ''
                                         'release'  'The Very Best of All Woman. Th'
                                           'title'  "You're So Vain"
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '106.141'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '106.141'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "You're So Vain"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carly Simon'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', '70s', 'female vocalists', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.501168'

========================== row from database ==========================
                                              'id'  1496772
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Carly Simon/09 You_re so vain.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  257
                                           'genre'  ifs-songwriter
                                        'filesize'  6188117
                                           'mtime'  1637330761
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted 09 You_re so vain ifs songwriter
                                      'tag_artist'  Carly Simon
                                     'tag_release'  The Very Best of All Woman. Th
                                       'tag_title'  You're So Vain
                                             'bpm'  106.141
                                    'search_title'  're':2 'so':4 'vain':5 'you':1 'youre':3
                                   'search_artist'  'carly':1 'simon':2
                                  'search_release'  'all':5 'best':3 'of':4 'th':8 'the':1 'very':2 'woman':6,7
                                     'search_rest'  '00poprockelectronic':1 'ifs':7 're':4 'so':5 'songwriter':8 'unsorted':2 'vain':6 'you':3
                                    'search_combo'  '00poprockelectronic':16 'all':12C 'best':10C 'carly':6B 'ifs':22 'of':11C 're':2A,19 'simon':7B 'so':4A,20 'songwriter':23 'th':15C 'the':8C 'unsorted':17 'vain':5A,21 'very':9C 'woman':13C,14C 'you':1A,18 'youre':3A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', '70s', 'female vocalists', 'pop', 'singer songwriter']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330760.7518523  (2021-11-19 15:06:00)
                             'size'  6188117