======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '206'
                                          'artist'  'Linda Van Dyck'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Seduction Song (NL, 1969)'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'dutch', 'sixties girls']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '28'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '127.284'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000A0E 00000B7A 0000A7B4 00009DA7 00011C7D 00011C7D 00005EF7 00005FBC '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000900 00000000008B23F0 00000000 004BAB6E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'A312AE1C+358808+28+150+13882+28002+39562+61071+74069+87882+96335+106654+116774+129788+139158+149634+160167+169425+179135+191865+205296+225553+241061+255104+276512+288066+300429+312396+325355+338079+347726'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '19'
'TBPM' (BPM (beats per minute))                     '127.284'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Seduction Song (NL, 1969)'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Linda Van Dyck'
'TRCK' (Track number/Position in set)               '19/28'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['pop', 'dutch', 'sixties girls']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.375027'

========================== row from database ==========================
                                              'id'  759463
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Linda Van Dyck - Seduction Song (NL, 1969).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  206
                                           'genre'  set-th-sex
                                        'filesize'  4966231
                                           'mtime'  1620343519
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy set th sex
                                      'tag_artist'  Linda Van Dyck
                                     'tag_release'  None
                                       'tag_title'  Seduction Song (NL, 1969)
                                             'bpm'  127.284
                                    'search_title'  '1969':5,6 'nl':3,4 'seduction':1 'song':2
                                   'search_artist'  'dyck':3 'linda':1 'van':2
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'set':5 'sex':7 'sexy':4 'th':6 'themes':3
                                    'search_combo'  '0novelty':11 '0playlists':10 '1969':5A,6A 'dyck':9B 'linda':7B 'nl':3A,4A 'seduction':1A 'set':14 'sex':16 'sexy':13 'song':2A 'th':15 'themes':12 'van':8B
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'dutch', 'sixties girls']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620343519.161389  (2021-05-07 01:25:19)
                             'size'  4966231