======================== unified (from filesystem) ========================
                                         'bitrate'  '192.758'
                                        'duration'  '238'
                                          'artist'  '[re:jazz]'
                                     'text_people'  ''
                                         'release'  'Point Of View'
                                           'title'  'All I Need (Original by Air)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'acid jazz', 'jazz', 'nu jazz']"
                                     'discogstags'  "['electronic', 'jazz', 'future jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-studio;set-pl-sced'
                                             'bpm'  '93.199'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000002F2 000002E9 00000CD6'
'COMM:iTunNORM:eng'                                 (' 000002F2 000002E9 00000CD6 00000907 0002DF27 0001A806 000058CA 00005745 '
 '0000E224 0000E224')
'TALB' (Album/Movie/Show title)                     'Point Of View'
'TBPM' (BPM (beats per minute))                     '93.199'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-soft-studio', 'set-pl-sced']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'All I Need (Original by Air)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '[re:jazz]'
'TPE2' (Band/orchestra/accompaniment)               '[re:jazz]'
'TRCK' (Track number/Position in set)               '4/13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'jazz', 'future jazz']
'TXXX:lastfmtags'                                   ['lounge', 'acid jazz', 'jazz', 'nu jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.593676'

========================== row from database ==========================
                                              'id'  675348
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/re_jazz/[2004] Point Of View/04 All I Need (Original by Air).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  238
                                           'genre'  prerock-jb-jazz-soft-studio;set-pl-sced
                                        'filesize'  5893070
                                           'mtime'  1620538005
                                   'redo_metaread'  0
                                        'rest_str'   00blues exotica oldies country re_jazz [2004] 04 prerock jb soft studio;set pl sced
                                      'tag_artist'  [re:jazz]
                                     'tag_release'  Point Of View
                                       'tag_title'  All I Need (Original by Air)
                                             'bpm'  93.199
                                    'search_title'  'air':7,8 'all':1 'by':6 'i':2 'need':3 'original':4,5
                                   'search_artist'  'jazz':2 're':1 'rejazz':3
                                  'search_release'  'of':2 'point':1 'view':3
                                     'search_rest'  '2004':6,7 'country':3 'exotica':1 'jazz':5 'jb':9 'oldies':2 'pl':15 'prerock':8 're':4 'sced':16 'set':12,14 'soft':10 'studio':11,13
                                    'search_combo'  '2004':20,21 'air':7A,8A 'all':1A 'by':6A 'country':17 'exotica':15 'i':2A 'jazz':10B,19 'jb':23 'need':3A 'of':13C 'oldies':16 'original':4A,5A 'pl':29 'point':12C 'prerock':22 're':9B,18 'rejazz':11B 'sced':30 'set':26,28 'soft':24 'studio':25,27 'view':14C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'acid jazz', 'jazz', 'nu jazz']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'jazz', 'future jazz']

============================== file details ==============================
                                           'mtime'  1620538004.6750968  (2021-05-09 07:26:44)
                             'size'  5893070