======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '174'
                                          'artist'  'Gary Wilson'
                                     'text_people'  ''
                                         'release'  'You Think You Really Know Me'
                                           'title'  'Cindy'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['experimental', 'funk', 'outsider', 'avant-garde', 'stones throw']"
                                     'discogstags'  ("['electronic', 'rock', 'funk / soul', 'pop', 'new wave', 'pop rock', 'funk', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling;rock-unsorted'
                                             'bpm'  '129.150'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000041C 000004DD 00003E11 00004C07 000164BC 000164BC 00008F5B 00008E2F '
 '0000CEF0 0000B7AC')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009D8 0000000000757218 00000000 003FDD64 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12+72CF7AF28AF018CD4D4B73EAA9AF7AA3+1978252'
'TALB' (Album/Movie/Show title)                     'You Think You Really Know Me'
'TBPM' (BPM (beats per minute))                     '129.150'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-spelling', 'rock-unsorted']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Cindy'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gary Wilson'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic',
 'rock',
 'funk / soul',
 'pop',
 'new wave',
 'pop rock',
 'funk',
 'experimental']
'TXXX:lastfmtags'                                   ['experimental', 'funk', 'outsider', 'avant-garde', 'stones throw']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.04 dB'
'TXXX:replaygain_track_peak'                        '0.560004'

========================== row from database ==========================
                                              'id'  765304
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Gary Wilson - Cindy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  174
                                           'genre'  set-pl-spelling;rock-unsorted
                                        'filesize'  4192674
                                           'mtime'  1620392916
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling set pl spelling;rock unsorted
                                      'tag_artist'  Gary Wilson
                                     'tag_release'  You Think You Really Know Me
                                       'tag_title'  Cindy
                                             'bpm'  129.15
                                    'search_title'  'cindy':1
                                   'search_artist'  'gary':1 'wilson':2
                                  'search_release'  'know':4 'me':5 'really':3 'think':2 'you':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':6 'rock':8,10 'set':5 'spelling':4,7,9 'themes':3 'unsorted':11
                                    'search_combo'  '0novelty':10 '0playlists':9 'cindy':1A 'gary':2B 'know':7C 'me':8C 'pl':14 'really':6C 'rock':16,18 'set':13 'spelling':12,15,17 'themes':11 'think':5C 'unsorted':19 'wilson':3B 'you':4C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'funk', 'outsider', 'avant-garde', 'stones throw']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'funk / soul', 'pop', 'new wave', 'pop rock', 'funk', 'experimental']

============================== file details ==============================
                                           'mtime'  1620392915.5771446  (2021-05-07 15:08:35)
                             'size'  4192674