======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '440'
                                          'artist'  'The Mars Volta'
                                     'text_people'  'Cedric Bixler Zavala & Omar A. Rodriguez-López'
                                         'release'  'Amputechture'
                                           'title'  'Vicarious Atonement'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'progressive rock', 'progressive', 'experimental', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '131.413'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Amputechture'
'TBPM' (BPM (beats per minute))                     '131.413'
'TCOM' (Composer)                                   'Cedric Bixler Zavala & Omar A. Rodriguez-López'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v7.2.0.35'
'TIT2' (Title/songname/content description)         'Vicarious Atonement'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mars Volta'
'TPE2' (Band/orchestra/accompaniment)               'The Mars Volta'
'TPUB' (Publisher)                                  'Gold Standard'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative', 'progressive rock', 'progressive', 'experimental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.515387'

========================== row from database ==========================
                                              'id'  1411374
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Mars Volta/Amputechture/01 Vicarious Atonement.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  440
                                           'genre'  rock-cppex-progressive
                                        'filesize'  5282209
                                           'mtime'  1620737766
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 01 rock cppex progressive
                                      'tag_artist'  The Mars Volta
                                     'tag_release'  Amputechture
                                       'tag_title'  Vicarious Atonement
                                             'bpm'  131.413
                                    'search_title'  'atonement':2 'vicarious':1
                                   'search_artist'  'mars':2 'the':1 'volta':3
                                  'search_release'  'amputechture':1
                                     'search_rest'  'classicprogpsy':1 'cppex':3 'progressive':4 'rock':2
                                    'search_combo'  'amputechture':6C 'atonement':2A 'classicprogpsy':7 'cppex':9 'mars':4B 'progressive':10 'rock':8 'the':3B 'vicarious':1A 'volta':5B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'progressive rock', 'progressive', 'experimental', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737766.3714185  (2021-05-11 14:56:06)
                             'size'  5282209