======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '162'
                                          'artist'  'Johnny Otis'
                                     'text_people'  ''
                                         'release'  "Loud, Fast & Out of Control: The Wild Sounds of the '50s [Box] (3 of 4)"
                                           'title'  'Crazy Country Hop'
                                           'quals'  ("['Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['rhythm and blues', 'blues', 'jazz', 'swing', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '109.527'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '58-467 POS 87'
'COMM:ID3v1 Comment:XXX'                            '58-467 POS 87'
'TALB' (Album/Movie/Show title)                     "Loud, Fast & Out of Control: The Wild Sounds of the '50s [Box] (3 of 4)"
'TBPM' (BPM (beats per minute))                     '109.527'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Crazy Country Hop'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '162873'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Otis'
'TRCK' (Track number/Position in set)               '27'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rhythm and blues', 'blues', 'jazz', 'swing', 'soul']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.378874'

========================== row from database ==========================
                                              'id'  1435421
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-467 - Johnny Otis - Crazy Country Hop.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  162
                                           'genre'  prerock-unsorted
                                        'filesize'  6540286
                                           'mtime'  1620387774
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 467 prerock unsorted
                                      'tag_artist'  Johnny Otis
                                     'tag_release'  Loud, Fast & Out of Control: The Wild Sounds of the '50s [Box] (3 of 4)
                                       'tag_title'  Crazy Country Hop
                                             'bpm'  109.527
                                    'search_title'  'country':2 'crazy':1 'hop':3
                                   'search_artist'  'johnny':1 'otis':2
                                  'search_release'  '3':15,16 '4':17,18 '50s':11,12 'box':13,14 'control':6,7 'fast':3 'loud':1,2 'of':5 'out':4 'sounds':10 'the':8 'wild':9
                                     'search_rest'  '00oldiepop':5 '1958':6 '467':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':28 '1958':29 '3':20C,21C '4':22C,23C '467':31 '50s':16C,17C '58':30 'box':18C,19C 'control':11C,12C 'country':2A,27 'crazy':1A 'exotica':25 'fast':8C 'hop':3A 'jazz':24 'johnny':4B 'loud':6C,7C 'of':10C 'oldies':26 'otis':5B 'out':9C 'prerock':32 'sounds':15C 'the':13C 'unsorted':33 'wild':14C
                                    'tag_tracknum'  27
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['rhythm and blues', 'blues', 'jazz', 'swing', 'soul']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387774.457838  (2021-05-07 13:42:54)
                             'size'  6540286