======================== unified (from filesystem) ========================
                                         'bitrate'  '199.155'
                                        'duration'  '206'
                                          'artist'  'Stan Kenton'
                                     'text_people'  ''
                                         'release'  'Viva Kenton'
                                           'title'  'Chocolate Caliente'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive jazz', 'big band', 'jazz', 'not your granddaddys razzmatazz "
 "big band', 'swing']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-th-candy'
                                             'bpm'  '138.797'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{#\x00\x00'                      PRIV(owner='AverageLevel', data=b'{#\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Viva Kenton'
'TBPM' (BPM (beats per minute))                     '138.797'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-th-candy']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Chocolate Caliente'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Stan Kenton'
'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'                                   ['progressive jazz',
 'big band',
 'jazz',
 'not your granddaddys razzmatazz big band',
 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.424915'

========================== row from database ==========================
                                              'id'  735851
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Stan Kenton - Chocolate Caliente.mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  206
                                           'genre'  prerock-jb-jazz-unsorted;set-th-candy
                                        'filesize'  5157512
                                           'mtime'  1620538101
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets prerock jb jazz unsorted;set th candy
                                      'tag_artist'  Stan Kenton
                                     'tag_release'  Viva Kenton
                                       'tag_title'  Chocolate Caliente
                                             'bpm'  138.797
                                    'search_title'  'caliente':2 'chocolate':1
                                   'search_artist'  'kenton':2 'stan':1
                                  'search_release'  'kenton':2 'viva':1
                                     'search_rest'  'candy':13 'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'set':9,11 'sweets':5 'th':12 'unsorted':8,10
                                    'search_combo'  'caliente':2A 'candy':19 'chocolate':1A 'country':10 'exotica':8 'jazz':7 'jb':13 'kenton':4B,6C 'oldies':9 'prerock':12 'set':15,17 'stan':3B 'sweets':11 'th':18 'unsorted':14,16 'viva':5C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive jazz', 'big band', 'jazz', 'not your granddaddys razzmatazz big band', 'swing']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538100.6029272  (2021-05-09 07:28:20)
                             'size'  5157512