======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '102'
                                          'artist'  'Boards Of Canada'
                                     'text_people'  ''
                                         'release'  'The Campfire Headphase'
                                           'title'  'Constants Are Changing'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '145.895'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ['0',
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 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:ID3v1 Comment:eng'                            '0'
'TALB' (Album/Movie/Show title)                     'The Campfire Headphase'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes 9.1.0.79'
'TIT2' (Title/songname/content description)         'Constants Are Changing'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Boards Of Canada'
'TPE2' (Band/orchestra/accompaniment)               'Boards Of Canada'
'TRCK' (Track number/Position in set)               '12'
'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'
'TXXX:lastfmtags'                                   ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.41 dB'
'TXXX:replaygain_track_peak'                        '0.485201'

========================== row from database ==========================
                                              'id'  1342613
                                            'path'  /data/Music/Bulk/00poprockelectronic/Boards of Canada/Boards of Canada - 2005 - The Campfire Headphase/48_Boards of Canada - Constants Are Changing.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  102
                                           'genre'  electronic-ambient
                                        'filesize'  2630025
                                           'mtime'  1636911043
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic of of 2005 48_Boards of electronic ambient
                                      'tag_artist'  Boards Of Canada
                                     'tag_release'  The Campfire Headphase
                                       'tag_title'  Constants Are Changing
                                             'bpm'  145.895
                                    'search_title'  'are':2 'changing':3 'constants':1
                                   'search_artist'  'boards':1 'canada':3 'of':2
                                  'search_release'  'campfire':2 'headphase':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 '2005':3 '48':4 'ambient':7 'boards':5 'electronic':6 'of':2
                                    'search_combo'  '00poprockelectronic':10 '2005':12 '48':13 'ambient':16 'are':2A 'boards':4B,14 'campfire':8C 'canada':6B 'changing':3A 'constants':1A 'electronic':15 'headphase':9C 'of':5B,11 'the':7C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636911043.2668583  (2021-11-14 18:30:43)
                             'size'  2630025