======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '306'
                                          'artist'  'Titus Andronicus'
                                     'text_people'  ''
                                         'release'  'The Monitor'
                                           'title'  'Richard II'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'punk', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '123.256'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '4'
'COMM:iTunNORM:eng'                                 (' 00002795 00002E0C 000122AB 000201E5 00029897 00029B24 00008495 000082F8 '
 '000278C1 0002E729')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007E0 0000000000CE8A10 00000000 007058D1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '7D0F590A+294877+10+150+32369+41011+64745+87765+127807+166725+189367+220908+231731'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '4'
'TALB' (Album/Movie/Show title)                     'The Monitor'
'TBPM' (BPM (beats per minute))                     '123.256'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes 9.0.2'
'TIT2' (Title/songname/content description)         'Richard II'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Titus Andronicus'
'TPE2' (Band/orchestra/accompaniment)               'Titus Andronicus'
'TRCK' (Track number/Position in set)               '4/10'
'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'
'TXXX:lastfmtags'                                   ['indie', 'lo fi', 'punk', 'indie rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.268770'

========================== row from database ==========================
                                              'id'  1270008
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Titus Andronicus/The Monitor/04 - richard ii.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  306
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  7397078
                                           'mtime'  1642256587
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 04 richard ii ifs songwriter indie unsorted
                                      'tag_artist'  Titus Andronicus
                                     'tag_release'  The Monitor
                                       'tag_title'  Richard II
                                             'bpm'  123.256
                                    'search_title'  'ii':2 'richard':1
                                   'search_artist'  'andronicus':2 'titus':1
                                  'search_release'  'monitor':2 'the':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':6 'ii':5 'indie':7 'richard':4 'songwriter':2 'unsorted':8
                                    'search_combo'  '00singer':7 'andronicus':4B 'eos':9 'ifs':12 'ii':2A,11 'indie':13 'monitor':6C 'richard':1A,10 'songwriter':8 'the':5C 'titus':3B 'unsorted':14
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['indie', 'lo fi', 'punk', 'indie rock', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1642256586.6696439  (2022-01-15 15:23:06)
                             'size'  7397078