======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '217'
                                          'artist'  'Mylo'
                                     'text_people'  ''
                                         'release'  'Destroy Rock And Roll'
                                           'title'  'Paris Four Hundred'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'downtempo', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '96.668'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Destroy Rock And Roll'
'TBPM' (BPM (beats per minute))                     '96.668'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TIT2' (Title/songname/content description)         'Paris Four Hundred'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mylo'
'TRCK' (Track number/Position in set)               '7'
'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'                                   ['electronica', 'downtempo', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.31 dB'
'TXXX:replaygain_track_peak'                        '0.549273'

========================== row from database ==========================
                                              'id'  1328657
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mylo/07 - Paris Four Hundred.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  217
                                           'genre'  electronic
                                        'filesize'  5225247
                                           'mtime'  1636914229
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 electronic
                                      'tag_artist'  Mylo
                                     'tag_release'  Destroy Rock And Roll
                                       'tag_title'  Paris Four Hundred
                                             'bpm'  96.668
                                    'search_title'  'four':2 'hundred':3 'paris':1
                                   'search_artist'  'mylo':1
                                  'search_release'  'and':3 'destroy':1 'rock':2 'roll':4
                                     'search_rest'  '00poprockelectronic':1 'electronic':2
                                    'search_combo'  '00poprockelectronic':9 'and':7C 'destroy':5C 'electronic':10 'four':2A 'hundred':3A 'mylo':4B 'paris':1A 'rock':6C 'roll':8C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'downtempo', 'electronic', 'chillout']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636914229.043502  (2021-11-14 19:23:49)
                             'size'  5225247