======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '248'
                                          'artist'  'Suzanne Ciani'
                                     'text_people'  ''
                                         'release'  'Dream Suite'
                                           'title'  "'Til Time and Times Are Done"
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                                      'lastfmtags'  "['new age', 'instrumental', 'piano', 'chillout', 'ambient']"
                                     'discogstags'  "['classical', 'contemporary']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '10'
                                            'date'  '1994'
                                        'comments'  ''
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '100.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments-contemporary'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         "'Til Time and Times Are Done"
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Suzanne Ciani'
'TPE2' (Band/orchestra/accompaniment)               'Suzanne Ciani'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Seventh Wave'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              'Ciani, Suzanne'
'TSOP' (Performer sort order)                       'Ciani, Suzanne'
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'TXXX:Acoustid Id'                                  '89523afa-7668-41e6-b1b9-238da2931e3b'
'TXXX:BARCODE'                                      '799547700121'
'TXXX:CATALOGNUMBER'                                'SW7001-2'
'TXXX:MusicBrainz Album Artist Id'                  '2ce96399-f6da-439f-af3a-f319ebe2074c'
'TXXX:MusicBrainz Album Id'                         'ce2600ec-8699-480c-ae8f-0356b67bafc8'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2ce96399-f6da-439f-af3a-f319ebe2074c'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['classical', 'contemporary']
'TXXX:lastfmtags'                                   ['new age', 'instrumental', 'piano', 'chillout', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.682640'
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========================== row from database ==========================
                                              'id'  1514329
                                            'path'  /data/Music/Bulk/00poprockelectronic/1994 - Dream Suite/10. _Til Time and Times Are Done.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  248
                                           'genre'  prerock-classical or classical instruments-contemporary
                                        'filesize'  5970697
                                           'mtime'  1620662519
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1994 10. _Til prerock classical or classical instruments contemporary
                                      'tag_artist'  Suzanne Ciani
                                     'tag_release'  Dream Suite
                                       'tag_title'  'Til Time and Times Are Done
                                             'bpm'  100.2
                                    'search_title'  'and':4 'are':6 'done':7 'til':1,2 'time':3 'times':5
                                   'search_artist'  'ciani':2 'suzanne':1
                                  'search_release'  'dream':1 'suite':2
                                     'search_rest'  '00poprockelectronic':1 '10':3,4 '1994':2 'classical':7 'contemporary':10 'instruments':9 'or':8 'prerock':6 'til':5
                                    'search_combo'  '00poprockelectronic':12 '10':14,15 '1994':13 'and':4A 'are':6A 'ciani':9B 'classical':18 'contemporary':21 'done':7A 'dream':10C 'instruments':20 'or':19 'prerock':17 'suite':11C 'suzanne':8B 'til':1A,2A,16 'time':3A 'times':5A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['new age', 'instrumental', 'piano', 'chillout', 'ambient']
                                        'tag_date'  1994
                                     'discogstags'  ['classical', 'contemporary']

============================== file details ==============================
                                           'mtime'  1620662518.9114604  (2021-05-10 18:01:58)
                             'size'  5970697