======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '257'
                                          'artist'  'Disturbed'
                                     'text_people'  ''
                                         'release'  'The Sickness [Bonus Tracks]'
                                           'title'  'Shout 2000'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative', 'hard rock', 'metal', 'nu metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '17'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '130.734'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001C80 00001A38 0000A37B'
'COMM:iTunNORM:eng'                                 (' 00001C80 00001A38 0000A37B 00008A92 0001A053 0003198F 00008000 00008000 '
 '000013F4 000013F4')
'TALB' (Album/Movie/Show title)                     'The Sickness [Bonus Tracks]'
'TBPM' (BPM (beats per minute))                     '130.734'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Shout 2000'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Disturbed'
'TPE2' (Band/orchestra/accompaniment)               'Disturbed'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/17'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative', 'hard rock', 'metal', 'nu metal', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.42 dB'
'TXXX:replaygain_track_peak'                        '0.433425'

========================== row from database ==========================
                                              'id'  1301866
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/15 - disturbed - shout [tears for fears].mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  257
                                           'genre'  eid-unsorted
                                        'filesize'  4187841
                                           'mtime'  1620521355
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 15 disturbed shout [tears for fears] eid unsorted
                                      'tag_artist'  Disturbed
                                     'tag_release'  The Sickness [Bonus Tracks]
                                       'tag_title'  Shout 2000
                                             'bpm'  130.734
                                    'search_title'  '2000':2 'shout':1
                                   'search_artist'  'disturbed':1
                                  'search_release'  'bonus':3,4 'sickness':2 'the':1 'tracks':5,6
                                     'search_rest'  '00poprockelectronic':1 'disturbed':7 'eid':14 'fears':12,13 'files':5,6 'for':11 'loose':3,4 'shout':8 'tears':9,10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '2000':2A 'bonus':6C,7C 'disturbed':3B,16 'eid':23 'fears':21,22 'files':14,15 'for':20 'loose':12,13 'shout':1A,17 'sickness':5C 'tears':18,19 'the':4C 'tracks':8C,9C 'unsorted':11
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'hard rock', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521355.4109538  (2021-05-09 02:49:15)
                             'size'  4187841