======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '141'
                                          'artist'  'Fats Domino'
                                     'text_people'  ''
                                         'release'  'Africa In America 1920-1962: Rock, Jazz & Calypso 2'
                                           'title'  'Mardi Gras In New Orleans'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'rock n roll', 'rock and roll', 'blues', 'rhythm and blues', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '127.685'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Africa In America 1920-1962: Rock, Jazz & Calypso 2'
'TBPM' (BPM (beats per minute))                     '127.685'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1940'
'TIT2' (Title/songname/content description)         'Mardi Gras In New Orleans'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fats Domino'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TSO2'                                              'Africa In America 1920-1962: Rock, Jazz & Calypso'
'TSOA' (Album sort order)                           'Africa In America 1920-1962: Rock, Jazz & Calypso 2'
'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'                                   ['oldies', 'rock n roll', 'rock and roll', 'blues', 'rhythm and blues', '50s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.397548'

========================== row from database ==========================
                                              'id'  1236331
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/Africa In America 1920-1962_ Rock, Jazz/2/05 Mardi Gras In New Orleans.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  141
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  5760495
                                           'mtime'  1620539672
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa 1962_ 05 prerock jb jazz unsorted
                                      'tag_artist'  Fats Domino
                                     'tag_release'  Africa In America 1920-1962: Rock, Jazz & Calypso 2
                                       'tag_title'  Mardi Gras In New Orleans
                                             'bpm'  127.685
                                    'search_title'  'gras':2 'in':3 'mardi':1 'new':4 'orleans':5
                                   'search_artist'  'domino':2 'fats':1
                                  'search_release'  '1920':4 '19201962':6 '1962':5 '2':11 'africa':1 'america':3 'calypso':10 'in':2 'jazz':9 'rock':7,8
                                     'search_rest'  '00africa':1 '1962':2 'jazz':5 'jb':4 'prerock':3 'unsorted':6
                                    'search_combo'  '00africa':19 '1920':11C '19201962':13C '1962':12C,20 '2':18C 'africa':8C 'america':10C 'calypso':17C 'domino':7B 'fats':6B 'gras':2A 'in':3A,9C 'jazz':16C,23 'jb':22 'mardi':1A 'new':4A 'orleans':5A 'prerock':21 'rock':14C,15C 'unsorted':24
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'rock n roll', 'rock and roll', 'blues', 'rhythm and blues', '50s']
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539672.099732  (2021-05-09 07:54:32)
                             'size'  5760495