======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '111'
                                          'artist'  'Fontane Sisters'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'm In Love Again"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swing', 'oldies', '50s', 'female vocalists', 'heart of stone']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '129.481'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '129.481'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         "I'm In Love Again"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fontane Sisters'
'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:lastfmtags'                                   ['swing', 'oldies', '50s', 'female vocalists', 'heart of stone']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.400493'

========================== row from database ==========================
                                              'id'  1517799
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/Fontane Sisters - I_m In Love Again 26-5-1956.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  111
                                           'genre'  prerock-unsorted
                                        'filesize'  2230066
                                           'mtime'  1621698302
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 I_m 26 5 1956 prerock unsorted
                                      'tag_artist'  Fontane Sisters
                                     'tag_release'  None
                                       'tag_title'  I'm In Love Again
                                             'bpm'  129.481
                                    'search_title'  'again':6 'i':1 'im':3 'in':4 'love':5 'm':2
                                   'search_artist'  'fontane':1 'sisters':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1956':6 '26':9 '5':10 'country':4 'exotica':2 'i':7 'jazz':1 'm':8 'oldies':3 'prerock':11 'unsorted':12
                                    'search_combo'  '00oldiepop':13 '1956':14 '26':17 '5':18 'again':6A 'country':12 'exotica':10 'fontane':7B 'i':1A,15 'im':3A 'in':4A 'jazz':9 'love':5A 'm':2A,16 'oldies':11 'prerock':19 'sisters':8B 'unsorted':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           '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-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['swing', 'oldies', '50s', 'female vocalists', 'heart of stone']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698301.7030485  (2021-05-22 17:45:01)
                             'size'  2230066