======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '185'
                                          'artist'  'Phantom Raiders'
                                     'text_people'  ''
                                         'release'  "New Sound '67"
                                           'title'  'Gloria'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['surf', '60s garage']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling;rock-unsorted'
                                             'bpm'  '136.920'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000347 0000034D 00001A9A 00001C0F 00021EC1 00021282 0000585A 00005608 '
 '00027063 00000FD0')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009FC 00000000007CBD74 00000000 0043D5B7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '8E07010B+134637+11+150+16459+23152+37055+50106+65010+78178+88886+101502+111120+123142'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
'TALB' (Album/Movie/Show title)                     "New Sound '67"
'TBPM' (BPM (beats per minute))                     '136.920'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-spelling', 'rock-unsorted']
'TDRC' (Recording time)                             '1967'
'TENC' (Encoded by)                                 'iTunes 11.0.1'
'TIT2' (Title/songname/content description)         'Gloria'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Phantom Raiders'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/11'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['surf', '60s garage']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.580546'

========================== row from database ==========================
                                              'id'  766548
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/The Phantom Raiders - Gloria.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  185
                                           'genre'  set-pl-spelling;rock-unsorted
                                        'filesize'  4452845
                                           'mtime'  1620392916
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling The set pl spelling;rock unsorted
                                      'tag_artist'  Phantom Raiders
                                     'tag_release'  New Sound '67
                                       'tag_title'  Gloria
                                             'bpm'  136.92
                                    'search_title'  'gloria':1
                                   'search_artist'  'phantom':1 'raiders':2
                                  'search_release'  '67':3,4 'new':1 'sound':2
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':7 'rock':9,11 'set':6 'spelling':4,8,10 'the':5 'themes':3 'unsorted':12
                                    'search_combo'  '0novelty':9 '0playlists':8 '67':6C,7C 'gloria':1A 'new':4C 'phantom':2B 'pl':14 'raiders':3B 'rock':16,18 'set':13 'sound':5C 'spelling':11,15,17 'the':12 'themes':10 'unsorted':19
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['surf', '60s garage']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392915.747381  (2021-05-07 15:08:35)
                             'size'  4452845