======================== unified (from filesystem) ========================
                                         'bitrate'  '200.086'
                                        'duration'  '258'
                                          'artist'  'The National Bank'
                                     'text_people'  ''
                                         'release'  'Come On Over To The Other Side'
                                           'title'  'Some Paper On The Bedroom Floor'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['indie', 'norwegian', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'pop rock', 'avantgarde', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '102.024'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000A25 00000000 000027F1'
'COMM:iTunNORM:eng'                                 (' 00000A25 00000000 000027F1 00000000 00024583 00000000 00008000 00000000 '
 '0000E0A5 00000000')
'TALB' (Album/Movie/Show title)                     'Come On Over To The Other Side'
'TBPM' (BPM (beats per minute))                     '102.024'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Some Paper On The Bedroom Floor'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The National Bank'
'TRCK' (Track number/Position in set)               '10'
'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:discogstags'                                  ['rock', 'pop rock', 'avantgarde', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'norwegian', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.417466'

========================== row from database ==========================
                                              'id'  1303943
                                            'path'  /data/Music/Bulk/00poprockelectronic/The National Bank/Come On Over To The Other Side/10 some paper on the bedroom floor.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  258
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6467823
                                           'mtime'  1637330412
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10 some paper bedroom floor ifs songwriter indie rock
                                      'tag_artist'  The National Bank
                                     'tag_release'  Come On Over To The Other Side
                                       'tag_title'  Some Paper On The Bedroom Floor
                                             'bpm'  102.024
                                    'search_title'  'bedroom':5 'floor':6 'on':3 'paper':2 'some':1 'the':4
                                   'search_artist'  'bank':3 'national':2 'the':1
                                  'search_release'  'come':1 'on':2 'other':6 'over':3 'side':7 'the':5 'to':4
                                     'search_rest'  '00poprockelectronic':1 'bedroom':4 'floor':5 'ifs':6 'indie':8 'paper':3 'rock':9 'some':2 'songwriter':7
                                    'search_combo'  '00poprockelectronic':17 'bank':9B 'bedroom':5A,20 'come':10C 'floor':6A,21 'ifs':22 'indie':24 'national':8B 'on':3A,11C 'other':15C 'over':12C 'paper':2A,19 'rock':25 'side':16C 'some':1A,18 'songwriter':23 'the':4A,7B,14C 'to':13C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'norwegian', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'pop rock', 'avantgarde', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330411.6558347  (2021-11-19 15:00:11)
                             'size'  6467823