======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '145'
                                          'artist'  'Sons Of The Pioneers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'What Are We Gonna Do Then'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'cowboy', 'classic country', 'western', 'americana']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '118.152'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '118.152'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         'What Are We Gonna Do Then'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sons Of The Pioneers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country', 'cowboy', 'classic country', 'western', 'americana']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.17 dB'
'TXXX:replaygain_track_peak'                        '0.470068'

========================== row from database ==========================
                                              'id'  1447774
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1944/Sons Of The Pioneers - What Are We Gonna Do Then 1944.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  145
                                           'genre'  prerock-unsorted
                                        'filesize'  2903875
                                           'mtime'  1621698063
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1944 1944 prerock unsorted
                                      'tag_artist'  Sons Of The Pioneers
                                     'tag_release'  None
                                       'tag_title'  What Are We Gonna Do Then
                                             'bpm'  118.152
                                    'search_title'  'are':2 'do':5 'gonna':4 'then':6 'we':3 'what':1
                                   'search_artist'  'of':2 'pioneers':4 'sons':1 'the':3
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1944':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':15 '1944':16 'are':2A 'country':14 'do':5A 'exotica':12 'gonna':4A 'jazz':11 'of':8B 'oldies':13 'pioneers':10B 'prerock':17 'sons':7B 'the':9B 'then':6A 'unsorted':18 'we':3A 'what':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', '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-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['country', 'cowboy', 'classic country', 'western', 'americana']
                                        'tag_date'  1944
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698063.1270726  (2021-05-22 17:41:03)
                             'size'  2903875