======================== unified (from filesystem) ========================
                                         'bitrate'  '207.199'
                                        'duration'  '455'
                                          'artist'  'Caravan'
                                     'text_people'  ''
                                         'release'  'In The Land Of Grey And Pink'
                                           'title'  'Winter Wine'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  ("['progressive', 'canterbury scene', 'canterbury', 'rock', 'progressive "
 "rock', 'classic rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '98.645'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00000348 000001FB 00002B1F 00001CF6 00017CF3 000618E8 000073C9 0000589C '
 '00067211 000618E8')
'PRIV:AverageLevel:\x86\x0c\x00\x00'                PRIV(owner='AverageLevel', data=b'\x86\x0c\x00\x00')
'PRIV:PeakValue:És\x00\x00'                         PRIV(owner='PeakValue', data=b'\xc9s\x00\x00')
'TALB' (Album/Movie/Show title)                     'In The Land Of Grey And Pink'
'TBPM' (BPM (beats per minute))                     '98.645'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Winter Wine'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Caravan'
'TPE2' (Band/orchestra/accompaniment)               'Caravan'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/10'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive',
 'canterbury scene',
 'canterbury',
 'rock',
 'progressive rock',
 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.72 dB'
'TXXX:replaygain_track_peak'                        '0.760665'

========================== row from database ==========================
                                              'id'  1342435
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/02 - caravan - in the land of grey and pink - winter wine.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  455
                                           'genre'  rock-cppex
                                        'filesize'  11806592
                                           'mtime'  1620737389
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 caravan the land of grey pink winter wine rock cppex
                                      'tag_artist'  Caravan
                                     'tag_release'  In The Land Of Grey And Pink
                                       'tag_title'  Winter Wine
                                             'bpm'  98.645
                                    'search_title'  'wine':2 'winter':1
                                   'search_artist'  'caravan':1
                                  'search_release'  'and':6 'grey':5 'in':1 'land':3 'of':4 'pink':7 'the':2
                                     'search_rest'  '00poprockelectronic':1 'caravan':7 'cppex':16 'files':5,6 'grey':11 'land':9 'loose':3,4 'of':10 'pink':12 'rock':15 'the':8 'unsorted':2 'wine':14 'winter':13
                                    'search_combo'  '00poprockelectronic':11 'and':9C 'caravan':3B,17 'cppex':26 'files':15,16 'grey':8C,21 'in':4C 'land':6C,19 'loose':13,14 'of':7C,20 'pink':10C,22 'rock':25 'the':5C,18 'unsorted':12 'wine':2A,24 'winter':1A,23
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive', 'canterbury scene', 'canterbury', 'rock', 'progressive rock', 'classic rock']
                                        'tag_date'  1971
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737389.390334  (2021-05-11 14:49:49)
                             'size'  11806592