======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '182'
                                          'artist'  'Django Reinhardt & Stephane Grappelli'
                                     'text_people'  'Doris Tauber/Maceo Pinkard/William Tracey'
                                         'release'  'The Hot Club Of France'
                                           'title'  'Them There Eyes'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
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                                      'lastfmtags'  "['jazz', 'gypsy jazz', 'swing', 'violin', 'jazz guitar']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '133.756'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'The Hot Club Of France'
'TBPM' (BPM (beats per minute))                     '133.756'
'TCOM' (Composer)                                   'Doris Tauber/Maceo Pinkard/William Tracey'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Them There Eyes'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Django Reinhardt & Stephane Grappelli'
'TPE2' (Band/orchestra/accompaniment)               'Django Reinhardt & Stephane Grappelli'
'TPUB' (Publisher)                                  'ASV/Living Era'
'TRCK' (Track number/Position in set)               '6'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80.04, LAME dll 3.89, 192 Kbit/s, Stereo, High quality'
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'TXXX:Q-HHRNBTT'                                    '1'
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'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'gypsy jazz', 'swing', 'violin', 'jazz guitar']
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'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
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========================== row from database ==========================
                                              'id'  1272462
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Django Reinhardt/The Hot Club Of France/06 - [the hot club of france] - them there eyes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  182
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4387166
                                           'mtime'  1620528490
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 06 [the hot club of france] them there eyes prerock jb jazz unsorted
                                      'tag_artist'  Django Reinhardt & Stephane Grappelli
                                     'tag_release'  The Hot Club Of France
                                       'tag_title'  Them There Eyes
                                             'bpm'  133.756
                                    'search_title'  'eyes':3 'them':1 'there':2
                                   'search_artist'  'django':1 'grappelli':4 'reinhardt':2 'stephane':3
                                  'search_release'  'club':3 'france':5 'hot':2 'of':4 'the':1
                                     'search_rest'  'club':8 'country':4 'exotica':2 'eyes':14 'france':10,11 'hot':7 'jazz':1 'jb':16 'of':9 'oldies':3 'prerock':15 'the':5,6 'them':12 'there':13 'unsorted':17
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                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', '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'  ['jazz', 'gypsy jazz', 'swing', 'violin', 'jazz guitar']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528489.5771217  (2021-05-09 04:48:09)
                             'size'  4387166