======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '168'
                                          'artist'  'Dave & Ansel Collins'
                                     'text_people'  ''
                                         'release'  'The Reggae Box (disc 1)'
                                           'title'  'Double Barrel'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-2', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'rude boys and girls', 'skinhead reggae', 'ska', 'rocksteady']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '106.756'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Reggae Box (disc 1)'
'TBPM' (BPM (beats per minute))                     '106.756'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Double Barrel'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dave & Ansel Collins'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['reggae', 'rude boys and girls', 'skinhead reggae', 'ska', 'rocksteady']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.98 dB'
'TXXX:replaygain_track_peak'                        '0.514352'

========================== row from database ==========================
                                              'id'  1456653
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Unsorted/Dave & Ansel Collins__The Reggae Box (disc 1)__21 - Double Barrel.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  168
                                           'genre'  electronic-unsorted
                                        'filesize'  4052408
                                           'mtime'  1621696466
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable Unsorted Collins__The 1)__21 electronic unsorted
                                      'tag_artist'  Dave & Ansel Collins
                                     'tag_release'  The Reggae Box (disc 1)
                                       'tag_title'  Double Barrel
                                             'bpm'  106.756
                                    'search_title'  'barrel':2 'double':1
                                   'search_artist'  'ansel':2 'collins':3 'dave':1
                                  'search_release'  '1':6,7 'box':3 'disc':4,5 'reggae':2 'the':1
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 '1':9,11 '21':10,12 'collins':7 'dance':3 'electronic':13 'generic':2 'the':8 'trapbeat':4 'unsorted':6
                                    'search_combo'  '00mixable':17 '00poprockelectronic':13 '1':11C,12C,21,23 '21':22,24 'ansel':4B 'barrel':2A 'box':8C 'collins':5B,19 'dance':15 'dave':3B 'disc':9C,10C 'double':1A 'electronic':25 'generic':14 'reggae':7C 'the':6C,20 'trapbeat':16 'unsorted':18
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'rude boys and girls', 'skinhead reggae', 'ska', 'rocksteady']
                                        'tag_date'  2001
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1621696465.8091679  (2021-05-22 17:14:25)
                             'size'  4052408