======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '198'
                                          'artist'  'Coleman Hawkins And His All Star Jam Band'
                                     'text_people'  ''
                                         'release'  'Musical Selections'
                                           'title'  'Out Of Nowhere (1937-04-28)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'reading', 'melodi', 'jazzy easy']"
                                     'discogstags'  "['jazz', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '21'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '121.8'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Musical Selections'
'TBPM' (BPM (beats per minute))                     '121.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Out Of Nowhere (1937-04-28)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Coleman Hawkins And His All Star Jam Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18/21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'swing']
'TXXX:lastfmtags'                                   ['all', 'reading', 'melodi', 'jazzy easy']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.20 dB'
'TXXX:replaygain_track_peak'                        '0.462123'

========================== row from database ==========================
                                              'id'  726517
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Musical Selections/1.05. Coleman Hawkins Out Of Nowhere (1937-04-28).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  198
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4843919
                                           'mtime'  1620538773
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1.05. prerock jb jazz unsorted
                                      'tag_artist'  Coleman Hawkins And His All Star Jam Band
                                     'tag_release'  Musical Selections
                                       'tag_title'  Out Of Nowhere (1937-04-28)
                                             'bpm'  121.8
                                    'search_title'  '04':5 '1937':4 '19370428':7 '28':6 'nowhere':3 'of':2 'out':1
                                   'search_artist'  'all':5 'and':3 'band':8 'coleman':1 'hawkins':2 'his':4 'jam':7 'star':6
                                  'search_release'  'musical':1 'selections':2
                                     'search_rest'  '05':2 '1':1 '105':3 'jazz':6 'jb':5 'prerock':4 'unsorted':7
                                    'search_combo'  '04':5A '05':19 '1':18 '105':20 '1937':4A '19370428':7A '28':6A 'all':12B 'and':10B 'band':15B 'coleman':8B 'hawkins':9B 'his':11B 'jam':14B 'jazz':23 'jb':22 'musical':16C 'nowhere':3A 'of':2A 'out':1A 'prerock':21 'selections':17C 'star':13B 'unsorted':24
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['all', 'reading', 'melodi', 'jazzy easy']
                                        'tag_date'  1996
                                     'discogstags'  ['jazz', 'swing']

============================== file details ==============================
                                           'mtime'  1620538773.1870162  (2021-05-09 07:39:33)
                             'size'  4843919