======================== unified (from filesystem) ========================
                                         'bitrate'  '319.725'
                                        'duration'  '138'
                                          'artist'  'Dick Jacobs Orchrestra'
                                     'text_people'  ''
                                         'release'  'Discovered - Volume 1'
                                           'title'  'The Big Beat'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '440'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '118.221'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Discovered - Volume 1'
'TBPM' (BPM (beats per minute))                     '118.221'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'The Big Beat'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Jacobs Orchrestra'
'TRCK' (Track number/Position in set)               '440'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+9.92 dB'
'TXXX:replaygain_track_peak'                        '0.175066'

========================== row from database ==========================
                                              'id'  1444952
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/57-440 - Dick Jacobs Orchrestra - The Big Beat.mp3
                                         'working'  None
                                         'bitrate'  319
                                    'duration_sec'  138
                                           'genre'  prerock-unsorted
                                        'filesize'  5527115
                                           'mtime'  1621698351
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 57 440 prerock unsorted
                                      'tag_artist'  Dick Jacobs Orchrestra
                                     'tag_release'  Discovered - Volume 1
                                       'tag_title'  The Big Beat
                                             'bpm'  118.221
                                    'search_title'  'beat':3 'big':2 'the':1
                                   'search_artist'  'dick':1 'jacobs':2 'orchrestra':3
                                  'search_release'  '1':3 'discovered':1 'volume':2
                                     'search_rest'  '00oldiepop':5 '1957':6 '440':8 '57':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':14 '1':9C '1957':15 '440':17 '57':16 'beat':3A 'big':2A 'country':13 'dick':4B 'discovered':7C 'exotica':11 'jacobs':5B 'jazz':10 'oldies':12 'orchrestra':6B 'prerock':18 'the':1A 'unsorted':19 'volume':8C
                                    'tag_tracknum'  440
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698351.0769017  (2021-05-22 17:45:51)
                             'size'  5527115