======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '217'
                                          'artist'  'Eels'
                                     'text_people'  'Eels'
                                         'release'  'Souljacker'
                                           'title'  'Fresh Feeling'
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 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '125.315'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'Souljacker'
'TBPM' (BPM (beats per minute))                     '125.315'
'TCOM' (Composer)                                   'Eels'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'iTunes v7.0.2.16'
'TIT2' (Title/songname/content description)         'Fresh Feeling'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eels'
'TPE2' (Band/orchestra/accompaniment)               'Eels'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Polygram International'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
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========================== row from database ==========================
                                              'id'  1363534
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Eels - Souljacker/03 Fresh Feeling.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  217
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3489262
                                           'mtime'  1621697349
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 03 ifs songwriter indie rock
                                      'tag_artist'  Eels
                                     'tag_release'  Souljacker
                                       'tag_title'  Fresh Feeling
                                             'bpm'  125.315
                                    'search_title'  'feeling':2 'fresh':1
                                   'search_artist'  'eels':1
                                  'search_release'  'souljacker':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':5 'eels':3B 'feeling':2A 'fresh':1A 'ifs':8 'indie':10 'indierock':7 'poprock':6 'rock':11 'songwriter':9 'souljacker':4C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1621697349.135464  (2021-05-22 17:29:09)
                             'size'  3489262