======================== unified (from filesystem) ========================
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                                        'duration'  '216'
                                          'artist'  'Maria Zamora'
                                     'text_people'  ''
                                         'release'  'Cicodelico Obscure Gooves Vol. 30'
                                           'title'  'Lamento del Desierto'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-OLDST-2', 'Q-LOCALNESS-2', "
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                                      'lastfmtags'  "['exotica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '107.6'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '107.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Lamento del Desierto'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Maria Zamora'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf54.63.104'
'TXXX:AverageLevel'                                 '3707'
'TXXX:DeviceConformanceTemplate'                    'L1'
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'TXXX:MediaFoundationVersion'                       '2.112'
'TXXX:PeakValue'                                    '21281'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:WM/EncodingTime'                              '1497505920'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Track'                                     '2'
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'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
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'TXXX:q-syn'                                        '1'
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'TXXX:replaygain_track_peak'                        '0.631957'

========================== row from database ==========================
                                              'id'  761303
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Cicodelico Obscure Gooves Vol. 30/03 Lamento del Desierto.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  216
                                           'genre'  loc-unsorted
                                        'filesize'  5207392
                                           'mtime'  1622759241
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 03 loc unsorted
                                      'tag_artist'  Maria Zamora
                                     'tag_release'  Cicodelico Obscure Gooves Vol. 30
                                       'tag_title'  Lamento del Desierto
                                             'bpm'  107.6
                                    'search_title'  'del':2 'desierto':3 'lamento':1
                                   'search_artist'  'maria':1 'zamora':2
                                  'search_release'  '30':6 'cicodelico':1 'gooves':3 'obscure':2 'vol':4,5
                                     'search_rest'  'loc':1 'unsorted':2
                                    'search_combo'  '30':11C 'cicodelico':6C 'del':2A 'desierto':3A 'gooves':8C 'lamento':1A 'loc':12 'maria':4B 'obscure':7C 'unsorted':13 'vol':9C,10C 'zamora':5B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['exotica']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622759240.5190754  (2021-06-04 00:27:20)
                             'size'  5207392