======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '212'
                                          'artist'  'The Kinks'
                                     'text_people'  ''
                                         'release'  'The Complete Collection'
                                           'title'  'Sunny Afternoon'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['british invasion', 'rock', 'british', '60s', 'classic rock']"
                                     'discogstags'  "['rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '125.626'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Complete Collection'
'TBPM' (BPM (beats per minute))                     '125.626'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Sunny Afternoon'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Kinks'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'classic rock']
'TXXX:lastfmtags'                                   ['british invasion', 'rock', 'british', '60s', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.541368'

========================== row from database ==========================
                                              'id'  1313175
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Kinks/MBZ;#The Kinks;#The Complete Collection;#09;#Sunny Afternoon.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  212
                                           'genre'  rock-cppex
                                        'filesize'  5098133
                                           'mtime'  1678457045
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#The Kinks;#The Collection;#09;#Sunny rock cppex
                                      'tag_artist'  The Kinks
                                     'tag_release'  The Complete Collection
                                       'tag_title'  Sunny Afternoon
                                             'bpm'  125.626
                                    'search_title'  'afternoon':2 'sunny':1
                                   'search_artist'  'kinks':2 'the':1
                                  'search_release'  'collection':3 'complete':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '09':11,14 'collection':10,13 'cppex':17 'kinks':6,8 'mbz':2,4 'rock':16 'sunny':12,15 'the':3,5,7,9
                                    'search_combo'  '00poprockelectronic':8 '09':18,21 'afternoon':2A 'collection':7C,17,20 'complete':6C 'cppex':24 'kinks':4B,13,15 'mbz':9,11 'rock':23 'sunny':1A,19,22 'the':3B,5C,10,12,14,16
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['british invasion', 'rock', 'british', '60s', 'classic rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1678457044.592528  (2023-03-10 15:04:04)
                             'size'  5098133