======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '228'
                                          'artist'  'Missy Higgins'
                                     'text_people'  ''
                                         'release'  'The Sound of White'
                                           'title'  'Ten Days'
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                                      'lastfmtags'  "['indie', 'australian', 'female vocalists', 'pop', 'singer songwriter']"
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-indie-pop;ifs-songwriter-pop'
                                             'bpm'  '84.105'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '84.105'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-indie-pop', 'ifs-songwriter-pop']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Ten Days'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Missy Higgins'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['indie', 'australian', 'female vocalists', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.455604'

========================== row from database ==========================
                                              'id'  184030
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Missy Higgins/04 - Ten Days.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  228
                                           'genre'  ifs-songwriter;ifs-songwriter-indie-pop;ifs-songwriter-pop
                                        'filesize'  9141708
                                           'mtime'  1638554926
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 04 ifs songwriter;ifs songwriter indie pop;ifs songwriter pop
                                      'tag_artist'  Missy Higgins
                                     'tag_release'  The Sound of White
                                       'tag_title'  Ten Days
                                             'bpm'  84.105
                                    'search_title'  'days':2 'ten':1
                                   'search_artist'  'higgins':2 'missy':1
                                  'search_release'  'of':3 'sound':2 'the':1 'white':4
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4,6,8,11,13 'indie':9 'pop':10,12,14 'songwriter':2,5,7
                                    'search_combo'  '00singer':9 'days':2A 'eos':11 'higgins':4B 'ifs':12,14,16,19,21 'indie':17 'missy':3B 'of':7C 'pop':18,20,22 'songwriter':10,13,15 'sound':6C 'ten':1A 'the':5C 'white':8C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'australian', 'female vocalists', 'pop', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554926.18265  (2021-12-03 19:08:46)
                             'size'  9141708