======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '141'
                                          'artist'  'The Crescendos'
                                     'text_people'  ''
                                         'release'  'Las Vegas Grind, Part 1'
                                           'title'  'Countdown'
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                                      'lastfmtags'  "['surf', 'doo wop', 'rhythm and blues', '50s', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '31'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '90.695'
                                             'key'  '6A'
                                        'acoustid'  '84a08f39-76ba-48dc-898b-ccf922d96a2a'
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00002A4A 00000091 000173F2 00008C58 0000239C 00001434 00005DA5 00006ABE '
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'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v4.9.0.17'
'TIT2' (Title/songname/content description)         'Countdown'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Crescendos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/31'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Crescendos, The'
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'TXXX:Artists'                                      'The Crescendos'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'e65f11d8-efd9-460a-9639-d3e3fb6f3dfc'
'TXXX:MusicBrainz Album Status'                     'official'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['surf', 'doo wop', 'rhythm and blues', '50s', 'vocal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
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'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.04 dB'
'TXXX:replaygain_track_peak'                        '0.339649'
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========================== row from database ==========================
                                              'id'  1349498
                                            'path'  /data/Music/Bulk/00poprockelectronic/las vegas grinds/07 Countdown.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  141
                                           'genre'  rock-unsorted
                                        'filesize'  2899001
                                           'mtime'  1679089601
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic las vegas grinds 07 rock unsorted
                                      'tag_artist'  The Crescendos
                                     'tag_release'  Las Vegas Grind, Part 1
                                       'tag_title'  Countdown
                                             'bpm'  90.695
                                    'search_title'  'countdown':1
                                   'search_artist'  'crescendos':2 'the':1
                                  'search_release'  '1':6 'grind':3,4 'las':1 'part':5 'vegas':2
                                     'search_rest'  '00poprockelectronic':1 'grinds':4 'las':2 'rock':5 'unsorted':6 'vegas':3
                                    'search_combo'  '00poprockelectronic':10 '1':9C 'countdown':1A 'crescendos':3B 'grind':6C,7C 'grinds':13 'las':4C,11 'part':8C 'rock':14 'the':2B 'unsorted':15 'vegas':5C,12
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['surf', 'doo wop', 'rhythm and blues', '50s', 'vocal']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1679089600.8699384  (2023-03-17 22:46:40)
                             'size'  2899001