======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '193'
                                          'artist'  'Miles Davis'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Rouge 1949'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fusion', 'jazz', 'trumpet', 'blues', 'bebop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '84.140'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '84.140'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         'Rouge 1949'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Miles Davis'
'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'                                   ['fusion', 'jazz', 'trumpet', 'blues', 'bebop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.784745'

========================== row from database ==========================
                                              'id'  1449518
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1949/Miles Davis - Rouge 1949.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  193
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3867215
                                           'mtime'  1620527585
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop prerock jb jazz unsorted
                                      'tag_artist'  Miles Davis
                                     'tag_release'  None
                                       'tag_title'  Rouge 1949
                                             'bpm'  84.14
                                    'search_title'  '1949':2 'rouge':1
                                   'search_artist'  'davis':2 'miles':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'unsorted':8
                                    'search_combo'  '00oldiepop':9 '1949':2A 'country':8 'davis':4B 'exotica':6 'jazz':5 'jb':11 'miles':3B 'oldies':7 'prerock':10 'rouge':1A 'unsorted':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['fusion', 'jazz', 'trumpet', 'blues', 'bebop']
                                        'tag_date'  1949
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527584.9535625  (2021-05-09 04:33:04)
                             'size'  3867215