======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '177'
                                          'artist'  'The Skatalites'
                                     'text_people'  ''
                                         'release'  'Kings of Ska'
                                           'title'  'Burning Torch'
                                           'quals'  ("['Q-HAP-3', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-SYN-2', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'Q-CHART-2', 'Q-MIXBEAT-2', 'q-bass-4', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'Q-JZFKS-3', "
 "'Q-LOCALNESS-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub'
                                             'bpm'  '125'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Kings of Ska'
'TBPM' (BPM (beats per minute))                     '125'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Burning Torch'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Skatalities'
'TPE2' (Band/orchestra/accompaniment)               'The Skatalites'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'Justice'
'TRCK' (Track number/Position in set)               '10'
'TSRC' (ISRC (international standard recording code))  'QM4TX1766141'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-5.71 dB'
'TXXX:replaygain_track_peak'                        '0.754644'

========================== row from database ==========================
                                              'id'  1534737
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/The Skatalites - Kings of Ska/10 - Burning Torch.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  177
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub
                                        'filesize'  8032693
                                           'mtime'  1636914473
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 10 loc style reggae dub ska dancehall dub
                                      'tag_artist'  The Skatalites
                                     'tag_release'  Kings of Ska
                                       'tag_title'  Burning Torch
                                             'bpm'  125.0
                                    'search_title'  'burning':1 'torch':2
                                   'search_artist'  'skatalites':2 'the':1
                                  'search_release'  'kings':1 'of':2 'ska':3
                                     'search_rest'  '00reggae':1 'dancehall':7 'dub':2 'loc':3 'reggae':5 'ska':6 'style':4
                                    'search_combo'  '00reggae':8 'burning':1A 'dancehall':14 'dub':9 'kings':5C 'loc':10 'of':6C 'reggae':12 'ska':7C,13 'skatalites':4B 'style':11 'the':3B 'torch':2A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914473.338034  (2021-11-14 19:27:53)
                             'size'  8032693