======================== unified (from filesystem) ========================
                                         'bitrate'  '127.691'
                                        'duration'  '218'
                                          'artist'  'Gilbert Becaud'
                                     'text_people'  ''
                                         'release'  'De Prehistorie 1962-1'
                                           'title'  'Et Maintenant'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['french', 'chanson francaise', 'chanson', 'male vocalists', 'france']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '127.204'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'De Prehistorie 1962-1'
'TBPM' (BPM (beats per minute))                     '127.204'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TIT2' (Title/songname/content description)         'Et Maintenant'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gilbert Becaud'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['french', 'chanson francaise', 'chanson', 'male vocalists', 'france']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+4.99 dB'
'TXXX:replaygain_track_peak'                        '0.404556'

========================== row from database ==========================
                                              'id'  1346737
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Gilbert Becaud - Et Maintenant.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  218
                                           'genre'  loc-eur-france
                                        'filesize'  3494055
                                           'mtime'  1621630227
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] loc eur france
                                      'tag_artist'  Gilbert Becaud
                                     'tag_release'  De Prehistorie 1962-1
                                       'tag_title'  Et Maintenant
                                             'bpm'  127.204
                                    'search_title'  'et':1 'maintenant':2
                                   'search_artist'  'becaud':2 'gilbert':1
                                  'search_release'  '1':4 '1962':3 '19621':5 'de':1 'prehistorie':2
                                     'search_rest'  '00poprockelectronic':1 'eur':8 'files':5,6 'france':9 'loc':7 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '1':8C '1962':7C '19621':9C 'becaud':4B 'de':5C 'et':1A 'eur':17 'files':14,15 'france':18 'gilbert':3B 'loc':16 'loose':12,13 'maintenant':2A 'prehistorie':6C 'unsorted':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['french', 'chanson francaise', 'chanson', 'male vocalists', 'france']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630227.0452964  (2021-05-21 22:50:27)
                             'size'  3494055