======================== unified (from filesystem) ========================
                                         'bitrate'  '155.334'
                                        'duration'  '148'
                                          'artist'  "Screamin' Jay Hawkins"
                                     'text_people'  ''
                                         'release'  'The Blues'
                                           'title'  'I Put A Spell On You'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'blues', 'jazz', 'rhythm and blues', 'weird']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '118.359'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Blues'
'TBPM' (BPM (beats per minute))                     '118.359'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'I Put A Spell On You'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               "Screamin' Jay Hawkins"
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock and roll', 'blues', 'jazz', 'rhythm and blues', 'weird']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.478861'

========================== row from database ==========================
                                              'id'  1346085
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Blues/06 I Put A Spell On You.wma.mp3
                                         'working'  None
                                         'bitrate'  155
                                    'duration_sec'  148
                                           'genre'  prerock-jb-blues
                                        'filesize'  2883036
                                           'mtime'  1620403794
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06 You.wma prerock jb blues
                                      'tag_artist'  Screamin' Jay Hawkins
                                     'tag_release'  The Blues
                                       'tag_title'  I Put A Spell On You
                                             'bpm'  118.359
                                    'search_title'  'a':3 'i':1 'on':5 'put':2 'spell':4 'you':6
                                   'search_artist'  'hawkins':4 'jay':3 'screamin':1,2
                                  'search_release'  'blues':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'blues':7 'jb':6 'prerock':5 'wma':3 'you':2 'youwma':4
                                    'search_combo'  '00poprockelectronic':13 'a':3A 'blues':12C,19 'hawkins':10B 'i':1A 'jay':9B 'jb':18 'on':5A 'prerock':17 'put':2A 'screamin':7B,8B 'spell':4A 'the':11C 'wma':15 'you':6A,14 'youwma':16
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'blues', 'jazz', 'rhythm and blues', 'weird']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620403794.1870217  (2021-05-07 18:09:54)
                             'size'  2883036