======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '1140'
                                          'artist'  'Paul Weston and Jeffrey Berman'
                                     'text_people'  ''
                                         'release'  'The Dialect of the Black American'
                                           'title'  'The Dialect of the Black American'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '132.6'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     'The Dialect of the Black American'
'TBPM' (BPM (beats per minute))                     '132.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'The Dialect of the Black American'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Weston and Jeffrey Berman'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.63 dB'
'TXXX:replaygain_track_peak'                        '0.829391'

========================== row from database ==========================
                                              'id'  660307
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/299_1_Paul_Weston_and_Jeffrey_Berman_-_The_Dialect_of_the_Black_American.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  1140
                                           'genre'  electronic-unsorted
                                        'filesize'  27381719
                                           'mtime'  1620515932
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 299_1_Paul_Weston_and_Jeffrey_Berman_ _The_Dialect_of_the_Black_American electronic unsorted
                                      'tag_artist'  Paul Weston and Jeffrey Berman
                                     'tag_release'  The Dialect of the Black American
                                       'tag_title'  The Dialect of the Black American
                                             'bpm'  132.6
                                    'search_title'  'american':5 'black':4 'dialect':2 'of':3 'the':1
                                   'search_artist'  'and':3 'berman':5 'jeffrey':4 'paul':1 'weston':2
                                  'search_release'  'american':5 'black':4 'dialect':2 'of':3 'the':1
                                     'search_rest'  '1':2 '299':1 'american':13 'and':5 'berman':7 'black':12 'dialect':9 'electronic':14 'jeffrey':6 'of':10 'paul':3 'the':8,11 'unsorted':15 'weston':4
                                    'search_combo'  '1':17 '299':16 'american':5A,15C,28 'and':8B,20 'berman':10B,22 'black':4A,14C,27 'dialect':2A,12C,24 'electronic':29 'jeffrey':9B,21 'of':3A,13C,25 'paul':6B,18 'the':1A,11C,23,26 'unsorted':30 'weston':7B,19
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620515931.8131137  (2021-05-09 01:18:51)
                             'size'  27381719