======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '254'
                                          'artist'  'Ohio Players'
                                     'text_people'  ''
                                         'release'  'Pain'
                                           'title'  'If You Were My Woman (Bonus)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['disco', 'rhythm and blues', 'soul', 'funk', '70s']"
                                     'discogstags'  "['funk / soul', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '13'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '86.3'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000C79 00000C79 00006B81 00006B81 00039439 00039439 00008561 00008561 '
 '000327A7 000327A7')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007B0 0000000000AB42C0 00000000 005D25B7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '13+CE1CBA76DF3EEC600027B4BAC90526F2+8909805'
'TALB' (Album/Movie/Show title)                     'Pain'
'TBPM' (BPM (beats per minute))                     '86.3'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1972'
'TENC' (Encoded by)                                 'iTunes v7.5'
'TIT2' (Title/songname/content description)         'If You Were My Woman (Bonus)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ohio Players'
'TRCK' (Track number/Position in set)               '11/13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'soul', 'funk']
'TXXX:lastfmtags'                                   ['disco', 'rhythm and blues', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.522549'

========================== row from database ==========================
                                              'id'  1113776
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/ohio players/1972 1 pain/c4 - ohio players - if you were my woman (bonus).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  254
                                           'genre'  funk or soul-funk
                                        'filesize'  6544498
                                           'mtime'  1620665738
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul ohio players 1972 1 pain c4 ohio players if you were my woman (bonus) funk or soul funk
                                      'tag_artist'  Ohio Players
                                     'tag_release'  Pain
                                       'tag_title'  If You Were My Woman (Bonus)
                                             'bpm'  86.3
                                    'search_title'  'bonus':6,7 'if':1 'my':4 'were':3 'woman':5 'you':2
                                   'search_artist'  'ohio':1 'players':2
                                  'search_release'  'pain':1
                                     'search_rest'  '1':7 '1972':6 'bonus':15,16 'c4':9 'funk':2 'if':10 'my':13 'ohio':4 'or':17 'pain':8 'players':5 'soul':3 'swing':1 'were':12 'woman':14 'you':11
                                    'search_combo'  '1':17 '1972':16 'bonus':6A,7A,25,26 'c4':19 'funk':12 'if':1A,20 'my':4A,23 'ohio':8B,14 'or':27 'pain':10C,18 'players':9B,15 'soul':13 'swing':11 'were':3A,22 'woman':5A,24 'you':2A,21
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['disco', 'rhythm and blues', 'soul', 'funk', '70s']
                                        'tag_date'  1972
                                     'discogstags'  ['funk / soul', 'soul', 'funk']

============================== file details ==============================
                                           'mtime'  1620665738.2731702  (2021-05-10 18:55:38)
                             'size'  6544498