======================== unified (from filesystem) ========================
                                         'bitrate'  '228.704'
                                        'duration'  '231'
                                          'artist'  'Top Of The Pops'
                                     'text_people'  ''
                                         'release'  'Top Of The Pops'
                                           'title'  'In This Together'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                     'discogstags'  '["children\'s"]'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '19'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '120.042'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001B9B 00001D38 0000B994'
'COMM:iTunNORM:eng'                                 (' 00001B9B 00001D38 0000B994 0000B7F2 0001F10D 00028886 00008000 00008000 '
 '00002160 00002249')
'TALB' (Album/Movie/Show title)                     'Top Of The Pops'
'TBPM' (BPM (beats per minute))                     '120.042'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'LAME 3.90.3+mod'
'TIT2' (Title/songname/content description)         'In This Together'
'TKEY' (Initial key)                                '4A'
'TLAN' (Language(s))                                'German'
'TPE1' (Lead performer(s)/Soloist(s))               'Top Of The Pops'
'TPE2' (Band/orchestra/accompaniment)               'Top Of The Pops'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/19'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  "children's"
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.25 dB'
'TXXX:replaygain_track_peak'                        '0.404759'

========================== row from database ==========================
                                              'id'  1315708
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/apoptygma berzerk - in this together47485.mp3
                                         'working'  None
                                         'bitrate'  229
                                    'duration_sec'  231
                                           'genre'  
                                        'filesize'  6758000
                                           'mtime'  1652397988
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] apoptygma berzerk in this together47485
                                      'tag_artist'  Top Of The Pops
                                     'tag_release'  Top Of The Pops
                                       'tag_title'  In This Together
                                             'bpm'  120.042
                                    'search_title'  'in':1 'this':2 'together':3
                                   'search_artist'  'of':2 'pops':4 'the':3 'top':1
                                  'search_release'  'of':2 'pops':4 'the':3 'top':1
                                     'search_rest'  '00poprockelectronic':1 'apoptygma':7 'berzerk':8 'files':5,6 'in':9 'loose':3,4 'this':10 'together47485':11 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 'apoptygma':18 'berzerk':19 'files':16,17 'in':1A,20 'loose':14,15 'of':5B,9C 'pops':7B,11C 'the':6B,10C 'this':2A,21 'together':3A 'together47485':22 'top':4B,8C 'unsorted':13
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  []
                                        'tag_date'  2006
                                     'discogstags'  ["children's"]

============================== file details ==============================
                                           'mtime'  1652397988.258319  (2022-05-13 01:26:28)
                             'size'  6758000