======================== unified (from filesystem) ========================
                                         'bitrate'  '201.835'
                                        'duration'  '280'
                                          'artist'  'The Orb'
                                     'text_people'  ''
                                         'release'  'Bicycles & Tricycles'
                                           'title'  'Aftermath (featuring MC Soom T)'
                                           '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-1', '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'  '2'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '101.973'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'ESCAPE'
'COMM:ID3v1 Comment:XXX'                            'ESCAPE'
'COMM:ID3v1 Comment:eng'                            'ESCAPE'
'PRIV:AverageLevel:\x84\x1e\x00\x00'                PRIV(owner='AverageLevel', data=b'\x84\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))                     '101.973'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Aftermath (featuring MC Soom T)'
'TKEY' (Initial key)                                '2A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'The Orb'
'TRCK' (Track number/Position in set)               '2'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.12 dB'
'TXXX:replaygain_track_peak'                        '0.375441'

========================== row from database ==========================
                                              'id'  1299843
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/The Orb/Bicycles & Tricycles/02-the_orb-aftermath_(featuring_mc_soom_t)-esc.mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  280
                                           'genre'  electronic
                                        'filesize'  7078916
                                           'mtime'  1636913482
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 02 the_orb aftermath_(featuring_mc_soom_t) esc electronic
                                      'tag_artist'  The Orb
                                     'tag_release'  Bicycles & Tricycles
                                       'tag_title'  Aftermath (featuring MC Soom T)
                                             'bpm'  101.973
                                    'search_title'  'aftermath':1 'featuring':2,3 'mc':4 'soom':5 't':6,7
                                   'search_artist'  'orb':2 'the':1
                                  'search_release'  'bicycles':1 'tricycles':2
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'aftermath':5,10 'electronic':16 'esc':15 'featuring':6,11 'mc':7,12 'orb':4 'soom':8,13 't':9,14 'the':3
                                    'search_combo'  '00calmer':13 '00poprockelectronic':12 'aftermath':1A,16,21 'bicycles':10C 'electronic':27 'esc':26 'featuring':2A,3A,17,22 'mc':4A,18,23 'orb':9B,15 'soom':5A,19,24 't':6A,7A,20,25 'the':8B,14 'tricycles':11C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2A
                                           '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-1', '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'  1636913482.4128363  (2021-11-14 19:11:22)
                             'size'  7078916