======================== unified (from filesystem) ========================
                                         'bitrate'  '215.497'
                                        'duration'  '269'
                                          'artist'  'Yo La Tengo'
                                     'text_people'  ''
                                         'release'  'Summer Sun'
                                           'title'  'Season Of The Shark'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;ifs-songwriter-indie-pop;rock-pop-indie'
                                             'bpm'  '108.355'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000062E 0000059D 00001445'
'COMM:iTunNORM:eng'                                 (' 0000062E 0000059D 00001445 00001318 0003C92D 0003C92D 00008000 0000770A '
 '0003A951 0000EA5F')
'TALB' (Album/Movie/Show title)                     'Summer Sun'
'TBPM' (BPM (beats per minute))                     '108.355'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted', 'ifs-songwriter-indie-pop', 'rock-pop-indie']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Season Of The Shark'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Yo La Tengo'
'TPE2' (Band/orchestra/accompaniment)               'Yo La Tengo'
'TRCK' (Track number/Position in set)               '4'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.21 dB'
'TXXX:replaygain_track_peak'                        '0.514977'

========================== row from database ==========================
                                              'id'  385281
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Yo La Tengo/[2003] Summer Sun/04 Season Of The Shark.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  269
                                           'genre'  ifs-songwriter-indie-unsorted;ifs-songwriter-indie-pop;rock-pop-indie
                                        'filesize'  7310496
                                           'mtime'  1638554349
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [2003] 04 ifs songwriter indie unsorted;ifs songwriter indie pop;rock pop indie
                                      'tag_artist'  Yo La Tengo
                                     'tag_release'  Summer Sun
                                       'tag_title'  Season Of The Shark
                                             'bpm'  108.355
                                    'search_title'  'of':2 'season':1 'shark':4 'the':3
                                   'search_artist'  'la':2 'tengo':3 'yo':1
                                  'search_release'  'summer':1 'sun':2
                                     'search_rest'  '00singer':1 '2003':4,5 'eos':3 'ifs':6,9,11 'indie':7 'pop':12,14,16 'rock':13,15 'songwriter':2 'unsorted':8,10
                                    'search_combo'  '00singer':10 '2003':13,14 'eos':12 'ifs':15,18,20 'indie':16 'la':6B 'of':2A 'pop':21,23,25 'rock':22,24 'season':1A 'shark':4A 'songwriter':11 'summer':8C 'sun':9C 'tengo':7B 'the':3A 'unsorted':17,19 'yo':5B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638554348.5956488  (2021-12-03 18:59:08)
                             'size'  7310496