======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '133'
                                          'artist'  'Larry Williams'
                                     'text_people'  ''
                                         'release'  "1950s - Keep on Rockin'"
                                           'title'  'Dizzy Miss Lizzy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-2', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ('[\'rock and roll\', \'rock n roll\', "rock \'n\' roll", \'50s\', '
 "'rockabilly']")
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '136.184'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM::eng'                                         '58-395 POS 69'
'COMM:ID3v1 Comment:XXX'                            '58-395 POS 69'
'TALB' (Album/Movie/Show title)                     "1950s - Keep on Rockin'"
'TBPM' (BPM (beats per minute))                     '136.184'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Dizzy Miss Lizzy'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '133668'
'TPE1' (Lead performer(s)/Soloist(s))               'Larry Williams'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['rock and roll', 'rock n roll', "rock 'n' roll", '50s', 'rockabilly']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.39 dB'
'TXXX:replaygain_track_peak'                        '0.548841'

========================== row from database ==========================
                                              'id'  1444570
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-395 - Larry Williams - Dizzy Miss Lizzy.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  133
                                           'genre'  prerock-unsorted
                                        'filesize'  5361079
                                           'mtime'  1621698378
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 395 prerock unsorted
                                      'tag_artist'  Larry Williams
                                     'tag_release'  1950s - Keep on Rockin'
                                       'tag_title'  Dizzy Miss Lizzy
                                             'bpm'  136.184
                                    'search_title'  'dizzy':1 'lizzy':3 'miss':2
                                   'search_artist'  'larry':1 'williams':2
                                  'search_release'  '1950s':1 'keep':2 'on':3 'rockin':4,5
                                     'search_rest'  '00oldiepop':5 '1958':6 '395':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':15 '1950s':6C '1958':16 '395':18 '58':17 'country':14 'dizzy':1A 'exotica':12 'jazz':11 'keep':7C 'larry':4B 'lizzy':3A 'miss':2A 'oldies':13 'on':8C 'prerock':19 'rockin':9C,10C 'unsorted':20 'williams':5B
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['rock and roll', 'rock n roll', "rock 'n' roll", '50s', 'rockabilly']
                                        'tag_date'  1958
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1621698378.239049  (2021-05-22 17:46:18)
                             'size'  5361079