======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '212'
                                          'artist'  'The Zutons'
                                     'text_people'  ''
                                         'release'  'Who Killed The Zutons?'
                                           'title'  'Confusion'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['indie', 'alternative', 'british', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock;ifs-songwriter-indie-pop;rock-pop-indie'
                                             'bpm'  '99.3'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Who Killed The Zutons?'
'TBPM' (BPM (beats per minute))                     '99.3'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-rock', 'ifs-songwriter-indie-pop', 'rock-pop-indie']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Confusion'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '212000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Zutons'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'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', 'alternative', 'british', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.421638'

========================== row from database ==========================
                                              'id'  1379432
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Zutons/Who Killed The Zutons/04 - confusion.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  212
                                           'genre'  ifs-songwriter-indie-rock;ifs-songwriter-indie-pop;rock-pop-indie
                                        'filesize'  5099618
                                           'mtime'  1621696840
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 04 confusion ifs songwriter indie rock;ifs songwriter indie pop;rock pop indie
                                      'tag_artist'  The Zutons
                                     'tag_release'  Who Killed The Zutons?
                                       'tag_title'  Confusion
                                             'bpm'  99.3
                                    'search_title'  'confusion':1
                                   'search_artist'  'the':1 'zutons':2
                                  'search_release'  'killed':2 'the':3 'who':1 'zutons':4
                                     'search_rest'  '00poprockelectronic':1 'confusion':4 'ifs':5,9,11 'indie':7 'indierock':3 'pop':12,14,16 'poprock':2 'rock':8,10,13,15 'songwriter':6
                                    'search_combo'  '00poprockelectronic':8 'confusion':1A,11 'ifs':12,16,18 'indie':14 'indierock':10 'killed':5C 'pop':19,21,23 'poprock':9 'rock':15,17,20,22 'songwriter':13 'the':2B,6C 'who':4C 'zutons':3B,7C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'british', 'indie rock', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621696840.1772792  (2021-05-22 17:20:40)
                             'size'  5099618