<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '214'
                                          'artist'  'Nouvelle Vague '
                                     'text_people'  ''
                                         'release'  "Bande a'Part"
                                           'title'  'Heart Of Glass (Blondie)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['bossa nova', 'french', 'female vocalists', 'chillout', 'indie']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '100.0'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382f1b50>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1528416"/>
'PRIV:AverageLevel:j%\x00\x00'                      PRIV(owner='AverageLevel', data=b'j%\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     "Bande a'Part"
'TBPM' (BPM (beats per minute))                     '100.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Heart Of Glass (Blondie)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nouvelle Vague '
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['bossa nova', 'french', 'female vocalists', 'chillout', 'indie']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.42 dB'
'TXXX:replaygain_track_peak'                        '0.492003'

========================== row from database ==========================
                                              'id'  1528416
                                            'path'  /data/Music/Bulk/00poprockelectronic/Nouvelle Vague/Bande a_Part/06 Nouvelle Vague  - Heart Of Glass (Blondie).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  214
                                           'genre'  loc-eur-france
                                        'filesize'  6914155
                                           'mtime'  1623430509
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic a_Part 06 loc eur france
                                      'tag_artist'  Nouvelle Vague 
                                     'tag_release'  Bande a'Part
                                       'tag_title'  Heart Of Glass (Blondie)
                                             'bpm'  100.0
                                    'search_title'  'blondie':4,5 'glass':3 'heart':1 'of':2
                                   'search_artist'  'nouvelle':1 'vague':2
                                  'search_release'  'a':2 'apart':4 'bande':1 'part':3
                                     'search_rest'  '00poprockelectronic':1 'a':2 'eur':5 'france':6 'loc':4 'part':3
                                    'search_combo'  '00poprockelectronic':12 'a':9C,13 'apart':11C 'bande':8C 'blondie':4A,5A 'eur':16 'france':17 'glass':3A 'heart':1A 'loc':15 'nouvelle':6B 'of':2A 'part':10C,14 'vague':7B
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['bossa nova', 'french', 'female vocalists', 'chillout', 'indie']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430509.4163673  (2021-06-11 18:55:09)
                             'size'  6914155