======================== unified (from filesystem) ========================
                                         'bitrate'  '197.021'
                                        'duration'  '401'
                                          'artist'  'The Orb'
                                     'text_people'  ''
                                         'release'  'Bicycles & Tricycles'
                                           'title'  'Gee Strings'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic', 'dub', 'downtempo', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '130.063'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'ESCAPE'
'COMM:ID3v1 Comment:XXX'                            'ESCAPE'
'COMM:ID3v1 Comment:eng'                            'ESCAPE'
'PRIV:AverageLevel:\x89\x1e\x00\x00'                PRIV(owner='AverageLevel', data=b'\x89\x1e\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Bicycles & Tricycles'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Gee Strings'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'The Orb'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'dub', 'downtempo', 'ambient']
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.544513'

========================== row from database ==========================
                                              'id'  1339164
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/The Orb/Bicycles & Tricycles/05-the_orb-gee_strings-esc.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  401
                                           'genre'  electronic
                                        'filesize'  9893312
                                           'mtime'  1636913483
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 05 the_orb gee_strings esc electronic
                                      'tag_artist'  The Orb
                                     'tag_release'  Bicycles & Tricycles
                                       'tag_title'  Gee Strings
                                             'bpm'  130.063
                                    'search_title'  'gee':1 'strings':2
                                   'search_artist'  'orb':2 'the':1
                                  'search_release'  'bicycles':1 'tricycles':2
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':8 'esc':7 'gee':5 'orb':4 'strings':6 'the':3
                                    'search_combo'  '00calmer':8 '00poprockelectronic':7 'bicycles':5C 'electronic':14 'esc':13 'gee':1A,11 'orb':4B,10 'strings':2A,12 'the':3B,9 'tricycles':6C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'dub', 'downtempo', 'ambient']

============================== file details ==============================
                                           'mtime'  1636913482.743505  (2021-11-14 19:11:22)
                             'size'  9893312