======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '271'
                                          'artist'  "Andrew Bird's Bowl of Fire"
                                     'text_people'  ''
                                         'release'  'Thrills'
                                           'title'  'Pathetique'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['indie', 'jazz', 'singer songwriter', 'folk', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '108.413'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Thrills'
'TBPM' (BPM (beats per minute))                     '108.413'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Pathetique'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               "Andrew Bird's Bowl of Fire"
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'jazz', 'singer songwriter', 'folk', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.663353'

========================== row from database ==========================
                                              'id'  1528177
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Andrew Bird_s Bowl of Fire - Andrew Bird/Andrew Bird's Bowl of Fire/Thrills/Andrew Bird_s Bowl of Fire - Thrills - 04 - Pathetique.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  271
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6508426
                                           'mtime'  1620528147
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Bird_s Bird_s 04 prerock jb jazz unsorted
                                      'tag_artist'  Andrew Bird's Bowl of Fire
                                     'tag_release'  Thrills
                                       'tag_title'  Pathetique
                                             'bpm'  108.413
                                    'search_title'  'pathetique':1
                                   'search_artist'  'andrew':1 'bird':2 'birds':4 'bowl':5 'fire':7 'of':6 's':3
                                  'search_release'  'thrills':1
                                     'search_rest'  'bird':5 'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'prerock':7 's':6 'unsorted':9
                                    'search_combo'  'andrew':2B 'bird':3B,14 'birds':5B 'bowl':6B 'country':13 'exotica':11 'fire':8B 'jazz':10 'jb':17 'of':7B 'oldies':12 'pathetique':1A 'prerock':16 's':4B,15 'thrills':9C 'unsorted':18
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['indie', 'jazz', 'singer songwriter', 'folk', 'swing']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528146.792748  (2021-05-09 04:42:26)
                             'size'  6508426