======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '173'
                                          'artist'  'Pat Benitar'
                                     'text_people'  ''
                                         'release'  '80s'
                                           'title'  'Hit Me With your best shot'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', '80s', 'female vocalists', 'classic rock', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '18'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '127.364'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000099F 00000B8B 00004292'
'COMM:iTunNORM:eng'                                 (' 0000099F 00000B8B 00004292 0000512E 0001BDCE 0001A082 00008000 00008000 '
 '0001BBB8 00003257')
'TALB' (Album/Movie/Show title)                     '80s'
'TBPM' (BPM (beats per minute))                     '127.364'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         'Hit Me With your best shot'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pat Benitar'
'TRCK' (Track number/Position in set)               '14/18'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', '80s', 'female vocalists', 'classic rock', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.555474'

========================== row from database ==========================
                                              'id'  1491692
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/pat benitar - 80s - hit me with your best shot.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  173
                                           'genre'  rock-unsorted
                                        'filesize'  3469664
                                           'mtime'  1620385902
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch pat benitar hit me with rock unsorted
                                      'tag_artist'  Pat Benitar
                                     'tag_release'  80s
                                       'tag_title'  Hit Me With your best shot
                                             'bpm'  127.364
                                    'search_title'  'best':5 'hit':1 'me':2 'shot':6 'with':3 'your':4
                                   'search_artist'  'benitar':2 'pat':1
                                  'search_release'  '80s':1
                                     'search_rest'  '00dutch':4 '00mid':1 'benitar':6 'europe':3 'hit':7 'me':8 'north':2 'pat':5 'rock':10 'unsorted':11 'with':9
                                    'search_combo'  '00dutch':13 '00mid':10 '80s':9C 'benitar':8B,15 'best':5A 'europe':12 'hit':1A,16 'me':2A,17 'north':11 'pat':7B,14 'rock':19 'shot':6A 'unsorted':20 'with':3A,18 'your':4A
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', '80s', 'female vocalists', 'classic rock', 'pop']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385902.3454483  (2021-05-07 13:11:42)
                             'size'  3469664