======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '198'
                                          'artist'  'Yvonne Harrison'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'Knotty Screw Face                          kuky3'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rocksteady', 'skinhead reggae', '70s', 'jamaica']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '146.000'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:\x04|\x00\x00'                      PRIV(owner='PeakValue', data=b'\x04|\x00\x00')
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'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Knotty Screw Face                          kuky3'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Yvonne Harrison'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['rocksteady', 'skinhead reggae', '70s', 'jamaica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.685109'

========================== row from database ==========================
                                              'id'  985337
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/Yvonne Harrison - Knotty Screw Face [CA-2003A].mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  198
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3974230
                                           'mtime'  1620524062
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [CA 2003A] loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Yvonne Harrison
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Knotty Screw Face                          kuky3
                                             'bpm'  146.0
                                    'search_title'  'face':3 'knotty':1 'kuky3':4 'screw':2
                                   'search_artist'  'harrison':2 'yvonne':1
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '2003a':5,6 'and':14 'ca':3,4 'dancehall':12 'dub':10 'loc':7 'or':9 'reggae':1 'roots':13 'singles':2 'ska':11 'style':8
                                    'search_combo'  '2003a':13,14 'and':22 'ca':11,12 'dancehall':20 'dub':18 'face':3A 'harrison':6B 'knotty':1A 'kuky3':4A 'loc':15 'or':17 'reggae':7C,9 'roots':21 'screw':2A 'singles':8C,10 'ska':19 'style':16 'yvonne':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rocksteady', 'skinhead reggae', '70s', 'jamaica']
                                        'tag_date'  1975
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524061.8150048  (2021-05-09 03:34:21)
                             'size'  3974230