======================== unified (from filesystem) ========================
                                         'bitrate'  '170.595'
                                        'duration'  '228'
                                          'artist'  'Belle and Sebastian'
                                     'text_people'  ''
                                         'release'  "If You're Feeling Sinister"
                                           'title'  'Seeing Other People'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['indie', 'indie pop', 'pop', 'twee']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '10'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock;ifs-songwriter-indie-pop'
                                             'bpm'  '99.567'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:B{\x00\x00'                         PRIV(owner='PeakValue', data=b'B{\x00\x00')
'TALB' (Album/Movie/Show title)                     "If You're Feeling Sinister"
'TBPM' (BPM (beats per minute))                     '99.567'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-rock', 'ifs-songwriter-indie-pop']
'TDRC' (Recording time)                             '1996'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Seeing Other People'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Belle and Sebastian'
'TRCK' (Track number/Position in set)               '02/10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'pop', 'twee']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.680941'

========================== row from database ==========================
                                              'id'  1530847
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Belle and Sebastian - Belle & Sebastian/If You_re Feeling Sinister/02 Seeing Other People.mp3
                                         'working'  None
                                         'bitrate'  171
                                    'duration_sec'  228
                                           'genre'  ifs-songwriter-rock;ifs-songwriter-indie-pop
                                        'filesize'  4868553
                                           'mtime'  1640869938
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos & You_re 02 ifs songwriter rock;ifs songwriter indie pop
                                      'tag_artist'  Belle and Sebastian
                                     'tag_release'  If You're Feeling Sinister
                                       'tag_title'  Seeing Other People
                                             'bpm'  99.567
                                    'search_title'  'other':2 'people':3 'seeing':1
                                   'search_artist'  'and':2 'belle':1 'sebastian':3
                                  'search_release'  'feeling':5 'if':1 're':3 'sinister':6 'you':2 'youre':4
                                     'search_rest'  '00singer':1 'eos':3 'ifs':6,8,10 'indie':11 'pop':12 're':5 'rock':7,9 'songwriter':2 'you':4
                                    'search_combo'  '00singer':13 'and':5B 'belle':4B 'eos':15 'feeling':11C 'if':7C 'ifs':18,20,22 'indie':23 'other':2A 'people':3A 'pop':24 're':9C,17 'rock':19,21 'sebastian':6B 'seeing':1A 'sinister':12C 'songwriter':14 'you':8C,16 'youre':10C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', 'q-drums-2', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', 'Q-PIANO-3']
                                      'lastfmtags'  ['indie', 'indie pop', 'pop', 'twee']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1640869937.9901826  (2021-12-30 14:12:17)
                             'size'  4868553