======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '152'
                                          'artist'  'Sam Cooke'
                                     'text_people'  ''
                                         'release'  'The Great Sam Cooke'
                                           'title'  'Lonely Island'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', '60s', 'rnb', 'soul', 'gospel', 'rhythm and blues']"
                                     'discogstags'  "['funk / soul', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-soul'
                                             'bpm'  '106.981'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-220 POS 26'
'COMM:ID3v1 Comment:XXX'                            '58-220 POS 26'
'TALB' (Album/Movie/Show title)                     'The Great Sam Cooke'
'TBPM' (BPM (beats per minute))                     '106.981'
'TCON' (Content type, a.k.a. Genre)                 'prerock-soul'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Lonely Island'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '152000'
'TPE1' (Lead performer(s)/Soloist(s))               'Sam Cooke'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'soul']
'TXXX:lastfmtags'                                   ['oldies', '60s', 'rnb', 'soul', 'gospel', 'rhythm and blues']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.662023'

========================== row from database ==========================
                                              'id'  1427266
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-220 - Sam Cooke - Lonely Island.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  152
                                           'genre'  prerock-soul
                                        'filesize'  6110229
                                           'mtime'  1642095550
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 220 prerock soul
                                      'tag_artist'  Sam Cooke
                                     'tag_release'  The Great Sam Cooke
                                       'tag_title'  Lonely Island
                                             'bpm'  106.981
                                    'search_title'  'island':2 'lonely':1
                                   'search_artist'  'cooke':2 'sam':1
                                  'search_release'  'cooke':4 'great':2 'sam':3 'the':1
                                     'search_rest'  '00oldiepop':5 '1958':6 '220':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'soul':10
                                    'search_combo'  '00oldiepop':13 '1958':14 '220':16 '58':15 'cooke':4B,8C 'country':12 'exotica':10 'great':6C 'island':2A 'jazz':9 'lonely':1A 'oldies':11 'prerock':17 'sam':3B,7C 'soul':18 'the':5C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['oldies', '60s', 'rnb', 'soul', 'gospel', 'rhythm and blues']
                                        'tag_date'  1958
                                     'discogstags'  ['funk / soul', 'soul']

============================== file details ==============================
                                           'mtime'  1642095550.1145983  (2022-01-13 18:39:10)
                             'size'  6110229