======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'Earth Crisis'
                                     'text_people'  ''
                                         'release'  'Breed the Killers'
                                           'title'  'End Begins'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['hardcore', 'metalcore', 'straight edge', 'vegan', 'metal']"
                                     'discogstags'  "['hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '129.481'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Breed the Killers'
'TBPM' (BPM (beats per minute))                     '129.481'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'End Begins'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Earth Crisis'
'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'                                        '2'
'TXXX:discogstags'                                  ['hardcore', 'rock']
'TXXX:lastfmtags'                                   ['hardcore', 'metalcore', 'straight edge', 'vegan', 'metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.68 dB'
'TXXX:replaygain_track_peak'                        '0.390494'

========================== row from database ==========================
                                              'id'  1338920
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Earth Crisis - End Begins - Breed the Killers.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  
                                        'filesize'  3028864
                                           'mtime'  1652397954
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files]
                                      'tag_artist'  Earth Crisis
                                     'tag_release'  Breed the Killers
                                       'tag_title'  End Begins
                                             'bpm'  129.481
                                    'search_title'  'begins':2 'end':1
                                   'search_artist'  'crisis':2 'earth':1
                                  'search_release'  'breed':1 'killers':3 'the':2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 'begins':2A 'breed':5C 'crisis':4B 'earth':3B 'end':1A 'files':12,13 'killers':7C 'loose':10,11 'the':6C 'unsorted':9
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['hardcore', 'metalcore', 'straight edge', 'vegan', 'metal']
                                        'tag_date'  1998
                                     'discogstags'  ['hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1652397953.785551  (2022-05-13 01:25:53)
                             'size'  3028864