======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '409'
                                          'artist'  'Cibo Matto'
                                     'text_people'  ''
                                         'release'  'Super Relax'
                                           'title'  'Sugar Water'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trip hop', 'alternative', 'female vocalists', 'electronic', 'japanese']"
                                     'discogstags'  "['electronic', 'rock', 'acoustic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '103.961'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Coldcut Remix'
'COMM:ID3v1 Comment:XXX'                            'Coldcut Remix'
'COMM:iTunNORM:eng'                                 ['', 'iTunNORM']
'TALB' (Album/Movie/Show title)                     'Super Relax'
'TBPM' (BPM (beats per minute))                     '103.961'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Sugar Water'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cibo Matto'
'TPE2' (Band/orchestra/accompaniment)               'Cibo Matto'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'acoustic', 'downtempo']
'TXXX:lastfmtags'                                   ['trip hop', 'alternative', 'female vocalists', 'electronic', 'japanese']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.80 dB'
'TXXX:replaygain_track_peak'                        '0.569143'

========================== row from database ==========================
                                              'id'  1394232
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/1997 - Super Relax/09 - Sugar Water.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  409
                                           'genre'  loc-asia-japan
                                        'filesize'  16417508
                                           'mtime'  1622821574
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 1997 09 loc asia japan
                                      'tag_artist'  Cibo Matto
                                     'tag_release'  Super Relax
                                       'tag_title'  Sugar Water
                                             'bpm'  103.961
                                    'search_title'  'sugar':1 'water':2
                                   'search_artist'  'cibo':1 'matto':2
                                  'search_release'  'relax':2 'super':1
                                     'search_rest'  '00asia':1 '1997':2 'asia':4 'japan':5 'loc':3
                                    'search_combo'  '00asia':7 '1997':8 'asia':10 'cibo':3B 'japan':11 'loc':9 'matto':4B 'relax':6C 'sugar':1A 'super':5C 'water':2A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['trip hop', 'alternative', 'female vocalists', 'electronic', 'japanese']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'rock', 'acoustic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1622821574.000446  (2021-06-04 17:46:14)
                             'size'  16417508