======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '128'
                                          'artist'  'Sherman, Bobby'
                                     'text_people'  ''
                                         'release'  'Parkway 967'
                                           'title'  'Goody Galumshus'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '143.112'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Parkway 967'
'TBPM' (BPM (beats per minute))                     '143.112'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Goody Galumshus'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sherman, Bobby'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
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'TXXX:q-drums'                                      '3'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.447173'

========================== row from database ==========================
                                              'id'  736112
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Bobby Sherman - Goody Galumshus (Parkway, 1965).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  128
                                           'genre'  loc-namerica-country
                                        'filesize'  3086083
                                           'mtime'  1621628482
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets (Parkway, 1965) loc namerica country
                                      'tag_artist'  Sherman, Bobby
                                     'tag_release'  Parkway 967
                                       'tag_title'  Goody Galumshus
                                             'bpm'  143.112
                                    'search_title'  'galumshus':2 'goody':1
                                   'search_artist'  'bobby':3 'sherman':1,2
                                  'search_release'  '967':2 'parkway':1
                                     'search_rest'  '1965':8,9 'country':4 'exotica':2 'jazz':1 'loc':10 'namerica':11 'oldies':3 'parkway':6,7 'sweets':5
                                    'search_combo'  '1965':15,16 '967':7C 'bobby':5B 'country':11 'exotica':9 'galumshus':2A 'goody':1A 'jazz':8 'loc':17 'namerica':18 'oldies':10 'parkway':6C,13,14 'sherman':3B,4B 'sweets':12
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628481.8678126  (2021-05-21 22:21:21)
                             'size'  3086083