======================== unified (from filesystem) ========================
                                         'bitrate'  '197.623'
                                        'duration'  '500'
                                          'artist'  'caravan'
                                     'text_people'  ''
                                         'release'  'progsoup 3'
                                           'title'  'stoned'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'rock', 'progressive rock', 'canterbury', 'canterbury scene']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '52'
                                      'tracktotal'  '12'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '118.083'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 3'
'TBPM' (BPM (beats per minute))                     '118.083'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'stoned'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'caravan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '52/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['classic rock', 'rock', 'progressive rock', 'canterbury', 'canterbury scene']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.611294'
'TXXX:tracknum'                                     '193'

========================== row from database ==========================
                                              'id'  1415308
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup3/193 caravan - stoned.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  500
                                           'genre'  rock-cppex-progressive
                                        'filesize'  12359831
                                           'mtime'  1620737664
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup3 193 rock cppex progressive
                                      'tag_artist'  caravan
                                     'tag_release'  progsoup 3
                                       'tag_title'  stoned
                                             'bpm'  118.083
                                    'search_title'  'stoned':1
                                   'search_artist'  'caravan':1
                                  'search_release'  '3':2 'progsoup':1
                                     'search_rest'  '193':4 'classicprogpsy':1 'cppex':6 'progressive':7 'progsoup':2 'progsoup3':3 'rock':5
                                    'search_combo'  '193':8 '3':4C 'caravan':2B 'classicprogpsy':5 'cppex':10 'progressive':11 'progsoup':3C,6 'progsoup3':7 'rock':9 'stoned':1A
                                    'tag_tracknum'  52
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', 'rock', 'progressive rock', 'canterbury', 'canterbury scene']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737664.3850589  (2021-05-11 14:54:24)
                             'size'  12359831