======================== unified (from filesystem) ========================
                                         'bitrate'  '219.087'
                                        'duration'  '234'
                                          'artist'  'Toots & The Maytals'
                                     'text_people'  ''
                                         'release'  'True Love'
                                           'title'  'Blame On Me (With Rachel Yamagata)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-HHRNBTT-3', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['reggae', 'ska', 'roots reggae', 'rocksteady', 'roots']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '132.444'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'True Love'
'TBPM' (BPM (beats per minute))                     '132.444'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Blame On Me (With Rachel Yamagata)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Toots & The Maytals'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['reggae', 'ska', 'roots reggae', 'rocksteady', 'roots']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.400986'

========================== row from database ==========================
                                              'id'  719713
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/15-toots_and_the_maytals-blame_on_me_with_rachel_yamagata-ph.mp3
                                         'working'  None
                                         'bitrate'  219
                                    'duration_sec'  234
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6428544
                                           'mtime'  1620586571
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 15 toots_and_the_maytals blame_on_me_with_rachel_yamagata ph hip hop or rnb or rap or turntablism
                                      'tag_artist'  Toots & The Maytals
                                     'tag_release'  True Love
                                       'tag_title'  Blame On Me (With Rachel Yamagata)
                                             'bpm'  132.444
                                    'search_title'  'blame':1 'me':3 'on':2 'rachel':6 'with':4,5 'yamagata':7,8
                                   'search_artist'  'maytals':3 'the':2 'toots':1
                                  'search_release'  'love':2 'true':1
                                     'search_rest'  'and':6 'blame':9 'hip':16 'hiphop':1 'hop':17 'maytals':8 'me':11 'on':10 'or':18 'ph':15 'rachel':13 'rap':2 'rnb':3 'the':7 'toots':5 'turntablism':4 'with':12 'yamagata':14
                                    'search_combo'  'and':19 'blame':1A,22 'hip':29 'hiphop':14 'hop':30 'love':13C 'maytals':11B,21 'me':3A,24 'on':2A,23 'or':31 'ph':28 'rachel':6A,26 'rap':15 'rnb':16 'the':10B,20 'toots':9B,18 'true':12C 'turntablism':17 'with':4A,5A,25 'yamagata':7A,8A,27
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'ska', 'roots reggae', 'rocksteady', 'roots']
                                        'tag_date'  2004
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620586571.3403616  (2021-05-09 20:56:11)
                             'size'  6428544