======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '260'
                                          'artist'  'Take Six'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I L-O-V-E You'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['gospel', 'jazz', 'a capella', 'soul', 'a cappella']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '143.721'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TIT2' (Title/songname/content description)         'I L-O-V-E You'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Take Six'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['gospel', 'jazz', 'a capella', 'soul', 'a cappella']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.652629'

========================== row from database ==========================
                                              'id'  1327402
                                            'path'  /data/Music/Bulk/00poprockelectronic/Take 6/Take Six - I L-O-V-E You.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  260
                                           'genre'  prerock-jb
                                        'filesize'  4176772
                                           'mtime'  1630249713
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 6 prerock jb
                                      'tag_artist'  Take Six
                                     'tag_release'  None
                                       'tag_title'  I L-O-V-E You
                                             'bpm'  143.721
                                    'search_title'  'e':5 'i':1 'l':2 'love':6 'o':3 'v':4 'you':7
                                   'search_artist'  'six':2 'take':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '6':2 'jb':4 'prerock':3
                                    'search_combo'  '00poprockelectronic':10 '6':11 'e':5A 'i':1A 'jb':13 'l':2A 'love':6A 'o':3A 'prerock':12 'six':9B 'take':8B 'v':4A 'you':7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gospel', 'jazz', 'a capella', 'soul', 'a cappella']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630249713.409591  (2021-08-29 17:08:33)
                             'size'  4176772