======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '267'
                                          'artist'  'The Red Hot Chili Peppers'
                                     'text_people'  'Anthony Kiedis/Chad Smith/Flea/John Frusciante'
                                         'release'  'By The Way'
                                           'title'  'Can`t Stop'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
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 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'alternative rock', 'funk rock', 'alternative', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'entertaining-why do i keep this'
                                             'bpm'  '91.473'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'By The Way'
'TBPM' (BPM (beats per minute))                     '91.473'
'TCOM' (Composer)                                   'Anthony Kiedis/Chad Smith/Flea/John Frusciante'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-why do i keep this'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Can`t Stop'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Hot Chilli Peppers'
'TPE2' (Band/orchestra/accompaniment)               'The Red Hot Chili Peppers'
'TPUB' (Publisher)                                  'Warner Brothers'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'alternative rock', 'funk rock', 'alternative', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.491133'

========================== row from database ==========================
                                              'id'  1494713
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Red Hot Chili Peppers - By The Way - 07 - Can`t Stop.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  267
                                           'genre'  entertaining-why do i keep this
                                        'filesize'  4288594
                                           'mtime'  1620592931
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 07 entertaining why do keep this
                                      'tag_artist'  The Red Hot Chili Peppers
                                     'tag_release'  By The Way
                                       'tag_title'  Can`t Stop
                                             'bpm'  91.473
                                    'search_title'  'can':1 'stop':3 't':2
                                   'search_artist'  'chili':4 'hot':3 'peppers':5 'red':2 'the':1
                                  'search_release'  'by':1 'the':2 'way':3
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'do':7 'entertaining':5 'generic':2 'keep':8 'this':9 'trapbeat':4 'why':6
                                    'search_combo'  '00poprockelectronic':12 'by':9C 'can':1A 'chili':7B 'dance':14 'do':18 'entertaining':16 'generic':13 'hot':6B 'keep':19 'peppers':8B 'red':5B 'stop':3A 't':2A 'the':4B,10C 'this':20 'trapbeat':15 'way':11C 'why':17
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'alternative rock', 'funk rock', 'alternative', 'funk']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592930.772  (2021-05-09 22:42:10)
                             'size'  4288594