======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '97'
                                          'artist'  'The Rosenberg Trio'
                                     'text_people'  ''
                                         'release'  'Seresta'
                                           'title'  'Valse A Rosenthal'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['guitar', 'gypsy jazz', 'jazz', 'jazz manouche', 'gypsy']"
                                     'discogstags'  "['jazz', 'gypsy jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '21'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '117.127'
                                             'key'  '9A'
                                        'acoustid'  '4219ef4f-76e6-40a2-9071-fa32c9919b11'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '117.127'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Valse A Rosenthal'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rosenberg Trio'
'TPE2' (Band/orchestra/accompaniment)               'The Rosenberg Trio'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Hot Club Records'
'TRCK' (Track number/Position in set)               '7/21'
'TSO2'                                              'Rosenberg Trio, The'
'TSOP' (Performer sort order)                       'Rosenberg Trio, The'
'TXXX:Acoustid Id'                                  '4219ef4f-76e6-40a2-9071-fa32c9919b11'
'TXXX:MusicBrainz Album Artist Id'                  '901f5dba-4317-4423-b9fb-f669cdb185e6'
'TXXX:MusicBrainz Album Id'                         '9ddd4dd5-b219-4ac3-98db-4150017633bd'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '901f5dba-4317-4423-b9fb-f669cdb185e6'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['jazz', 'gypsy jazz']
'TXXX:lastfmtags'                                   ['guitar', 'gypsy jazz', 'jazz', 'jazz manouche', 'gypsy']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.851861'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'37fa0d15-49be-4289-b705-4fe63dad1523')

========================== row from database ==========================
                                              'id'  1249091
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Rosenberg Trio - Rosenberg Trio/Hot Club Records Vintage Guitar Series Volume 8/Rosenberg Trio - Valse A Rosenthal.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  97
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  1559504
                                           'mtime'  1620536668
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Hot Club Records Vintage Guitar Series Volume 8 prerock jb jazz unsorted
                                      'tag_artist'  The Rosenberg Trio
                                     'tag_release'  Seresta
                                       'tag_title'  Valse A Rosenthal
                                             'bpm'  117.127
                                    'search_title'  'a':2 'rosenthal':3 'valse':1
                                   'search_artist'  'rosenberg':2 'the':1 'trio':3
                                  'search_release'  'seresta':1
                                     'search_rest'  '8':12 'club':6 'country':4 'exotica':2 'guitar':9 'hot':5 'jazz':1 'jb':14 'oldies':3 'prerock':13 'records':7 'series':10 'unsorted':15 'vintage':8 'volume':11
                                    'search_combo'  '8':19 'a':2A 'club':13 'country':11 'exotica':9 'guitar':16 'hot':12 'jazz':8 'jb':21 'oldies':10 'prerock':20 'records':14 'rosenberg':5B 'rosenthal':3A 'seresta':7C 'series':17 'the':4B 'trio':6B 'unsorted':22 'valse':1A 'vintage':15 'volume':18
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['guitar', 'gypsy jazz', 'jazz', 'jazz manouche', 'gypsy']
                                        'tag_date'  2009
                                     'discogstags'  ['jazz', 'gypsy jazz']

============================== file details ==============================
                                           'mtime'  1620536667.637329  (2021-05-09 07:04:27)
                             'size'  1559504