======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '398'
                                          'artist'  'The Soundtrack of Our Lives'
                                     'text_people'  ''
                                         'release'  'Welcome to the Infant Freebase'
                                           'title'  'Mantra Slider'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', 'alternative rock', 'indie rock', 'indie', 'rock', 'alternative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '106.531'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PCNT' (Play counter)                               PCNT(count=0)
'TALB' (Album/Movie/Show title)                     'Welcome to the Infant Freebase'
'TBPM' (BPM (beats per minute))                     '106.531'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Mantra Slider'
'TKEY' (Initial key)                                '12A'
'TLEN' (Length)                                     '398000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Soundtrack of Our Lives'
'TPE2' (Band/orchestra/accompaniment)               'The Soundtrack of Our Lives'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['swedish', 'alternative rock', 'indie rock', 'indie', 'rock', 'alternative']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.12 dB'
'TXXX:replaygain_track_peak'                        '0.356702'

========================== row from database ==========================
                                              'id'  1290423
                                            'path'  /data/Music/Bulk/00poprockelectronic/swedish rock/The Soundtrack Of Our Lives - Mantra Slider.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  398
                                           'genre'  rock-pop
                                        'filesize'  6381440
                                           'mtime'  1620392815
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic swedish rock Of rock pop
                                      'tag_artist'  The Soundtrack of Our Lives
                                     'tag_release'  Welcome to the Infant Freebase
                                       'tag_title'  Mantra Slider
                                             'bpm'  106.531
                                    'search_title'  'mantra':1 'slider':2
                                   'search_artist'  'lives':5 'of':3 'our':4 'soundtrack':2 'the':1
                                  'search_release'  'freebase':5 'infant':4 'the':3 'to':2 'welcome':1
                                     'search_rest'  '00poprockelectronic':1 'of':4 'pop':5 'rock':3 'swedish':2
                                    'search_combo'  '00poprockelectronic':13 'freebase':12C 'infant':11C 'lives':7B 'mantra':1A 'of':5B,16 'our':6B 'pop':17 'rock':15 'slider':2A 'soundtrack':4B 'swedish':14 'the':3B,10C 'to':9C 'welcome':8C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-chart-2', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'alternative rock', 'indie rock', 'indie', 'rock', 'alternative']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392814.6349564  (2021-05-07 15:06:54)
                             'size'  6381440