======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '294'
                                          'artist'  'Henry Clay Barnabee & George Frothingham & Helena Fredericks'
                                     'text_people'  ''
                                         'release'  'Berliner 4266'
                                           'title'  'Dreaming Dreaming'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', '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-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '143.925'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Berliner 4266'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         'Dreaming Dreaming'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Henry Clay Barnabee & George Frothingham & Helena Fredericks'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.71 dB'
'TXXX:replaygain_track_peak'                        '0.686101'

========================== row from database ==========================
                                              'id'  1449879
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1800/Henry Barnabee & G Frothingham & H Fredericks - Dreaming 1898.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  294
                                           'genre'  prerock-unsorted
                                        'filesize'  5895986
                                           'mtime'  1621697551
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1800 1898 prerock unsorted
                                      'tag_artist'  Henry Clay Barnabee & George Frothingham & Helena Fredericks
                                     'tag_release'  Berliner 4266
                                       'tag_title'  Dreaming Dreaming
                                             'bpm'  143.925
                                    'search_title'  'dreaming':1
                                   'search_artist'  'barnabee':3 'clay':2 'fredericks':7 'frothingham':5 'george':4 'helena':6 'henry':1
                                  'search_release'  '4266':2 'berliner':1
                                     'search_rest'  '00oldiepop':5 '1800':6 '1898':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':15 '1800':16 '1898':17 '4266':10C 'barnabee':4B 'berliner':9C 'clay':3B 'country':14 'dreaming':1A 'exotica':12 'fredericks':8B 'frothingham':6B 'george':5B 'helena':7B 'henry':2B 'jazz':11 'oldies':13 'prerock':18 'unsorted':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['q-chart-1', 'q-drums-1', 'q-vocals-4', 'q-other-1', 'q-busy-2', 'q-mixbeat-1', 'q-syn-1', 'q-play-2', 'q-piano-1', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697550.8770323  (2021-05-22 17:32:30)
                             'size'  5895986