======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '218'
                                          'artist'  'tommy johnson'
                                     'text_people'  ''
                                         'release'  'The Roots Of Canned Heat'
                                           'title'  'canned heat blues'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', '78rpm', 'blues', 'delta blues', 'blues guitar']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '92.349'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Roots Of Canned Heat'
'TBPM' (BPM (beats per minute))                     '92.349'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'canned heat blues'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'tommy johnson'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['guitar', '78rpm', 'blues', 'delta blues', 'blues guitar']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.03 dB'
'TXXX:replaygain_track_peak'                        '0.585275'
'TXXX:tracknum'                                     '18'

========================== row from database ==========================
                                              'id'  672657
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/the roots of canned heat - va/18_tommy johnson - canned heat blues .mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  218
                                           'genre'  prerock-jb-blues
                                        'filesize'  8749795
                                           'mtime'  1620402839
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country the roots of va 18_tommy prerock jb
                                      'tag_artist'  tommy johnson
                                     'tag_release'  The Roots Of Canned Heat
                                       'tag_title'  canned heat blues
                                             'bpm'  92.349
                                    'search_title'  'blues':3 'canned':1 'heat':2
                                   'search_artist'  'johnson':2 'tommy':1
                                  'search_release'  'canned':4 'heat':5 'of':3 'roots':2 'the':1
                                     'search_rest'  '18':9 'country':4 'exotica':2 'jazz':1 'jb':12 'of':7 'oldies':3 'prerock':11 'roots':6 'the':5 'tommy':10 'va':8
                                    'search_combo'  '18':19 'blues':3A 'canned':1A,9C 'country':14 'exotica':12 'heat':2A,10C 'jazz':11 'jb':22 'johnson':5B 'of':8C,17 'oldies':13 'prerock':21 'roots':7C,16 'the':6C,15 'tommy':4B,20 'va':18
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['guitar', '78rpm', 'blues', 'delta blues', 'blues guitar']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402838.950219  (2021-05-07 17:53:58)
                             'size'  8749795