======================== unified (from filesystem) ========================
                                         'bitrate'  '212.119'
                                        'duration'  '399'
                                          'artist'  'Andrea Dulbecco, Stephane Belmondo, Thomas Bramerie & Andrh C'
                                     'text_people'  ''
                                         'release'  'Canzoni'
                                           'title'  'What are Doing the Rest of Your Life?'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '104.552'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Canzoni'
'TBPM' (BPM (beats per minute))                     '104.552'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'What are Doing the Rest of Your Life?'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Andrea Dulbecco, Stephane Belmondo, Thomas Bramerie & Andrh C'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.28 dB'
'TXXX:replaygain_track_peak'                        '0.880457'

========================== row from database ==========================
                                              'id'  769159
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Andrea Dulbecco - WHAT ARE YOU DOING THE REST OF YOUR LIFE.mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  399
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  10647834
                                           'mtime'  1620586817
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism WHAT ARE YOU DOING THE REST OF YOUR LIFE hip hop or rnb or rap or turntablism
                                      'tag_artist'  Andrea Dulbecco, Stephane Belmondo, Thomas Bramerie & Andrh C
                                     'tag_release'  Canzoni
                                       'tag_title'  What are Doing the Rest of Your Life?
                                             'bpm'  104.552
                                    'search_title'  'are':2 'doing':3 'life':8 'of':6 'rest':5 'the':4 'what':1 'your':7
                                   'search_artist'  'andrea':1 'andrh':9 'belmondo':5,6 'bramerie':8 'c':10 'dulbecco':2,3 'stephane':4 'thomas':7
                                  'search_release'  'canzoni':1
                                     'search_rest'  'are':6 'doing':8 'hip':14 'hiphop':1 'hop':15 'life':13 'of':11 'or':16 'rap':2 'rest':10 'rnb':3 'the':9 'turntablism':4 'what':5 'you':7 'your':12
                                    'search_combo'  'andrea':9B 'andrh':17B 'are':2A,25 'belmondo':13B,14B 'bramerie':16B 'c':18B 'canzoni':19C 'doing':3A,27 'dulbecco':10B,11B 'hip':33 'hiphop':20 'hop':34 'life':8A,32 'of':6A,30 'or':35 'rap':21 'rest':5A,29 'rnb':22 'stephane':12B 'the':4A,28 'thomas':15B 'turntablism':23 'what':1A,24 'you':26 'your':7A,31
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586817.2354548  (2021-05-09 21:00:17)
                             'size'  10647834