======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '141'
                                          'artist'  'Teresa Brewer'
                                     'text_people'  ''
                                         'release'  'sweets'
                                           'title'  'Molasses'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'jazz', 'female vocalists', '50s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-th-candy'
                                             'bpm'  '95.981'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x04\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x04\x00\x00')
'PRIV:PeakValue:!\x00\x00\x00'                      PRIV(owner='PeakValue', data=b'!\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'sweets'
'TBPM' (BPM (beats per minute))                     '95.981'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-th-candy']
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Molasses'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Teresa Brewer'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.480241'

========================== row from database ==========================
                                              'id'  736055
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Teresa Brewer - Molasses.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  141
                                           'genre'  prerock-jb-jazz-unsorted;set-th-candy
                                        'filesize'  1704016
                                           'mtime'  1620538095
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country prerock jb jazz unsorted;set th candy
                                      'tag_artist'  Teresa Brewer
                                     'tag_release'  sweets
                                       'tag_title'  Molasses
                                             'bpm'  95.981
                                    'search_title'  'molasses':1
                                   'search_artist'  'brewer':2 'teresa':1
                                  'search_release'  'sweets':1
                                     'search_rest'  'candy':12 'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'prerock':5 'set':8,10 'th':11 'unsorted':7,9
                                    'search_combo'  'brewer':3B 'candy':16 'country':8 'exotica':6 'jazz':5 'jb':10 'molasses':1A 'oldies':7 'prerock':9 'set':12,14 'sweets':4C 'teresa':2B 'th':15 'unsorted':11,13
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538094.8118992  (2021-05-09 07:28:14)
                             'size'  1704016