======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '246'
                                          'artist'  'Sonic Youth'
                                     'text_people'  ''
                                         'release'  'The Very Best Of Fuck Songs'
                                           'title'  'Superstar'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'post punk', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-fuck me'
                                             'bpm'  '84.773'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Ellen Page Online - www.elle'
'COMM:iTunNORM:eng'                                 (' 00000652 000006D0 00012A23 00011F2E 000305AC 000305AC 00007378 00007454 '
 '0002BEF5 000325B6')
'COMM:iTunPGAP:eng'                                 'Ellen Page Online - www.ellenpageonline.com'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000099C 0000000000A627D4 00000000 005A5F83 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '19+7E78AF228C4E925B9C4C811C3C548AB2+10260828'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The Very Best Of Fuck Songs'
'TBPM' (BPM (beats per minute))                     '84.773'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-fuck me']
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.4.2'
'TIT2' (Title/songname/content description)         'Superstar'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonic Youth'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'post punk', 'experimental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.494485'

========================== row from database ==========================
                                              'id'  263752
                                            'path'  /data/Music/Bulk/0playlists/fuck_me/12-Superstar - Sonic Youth.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  246
                                           'genre'  electronic-unsorted;set-pl-fuck me
                                        'filesize'  5929905
                                           'mtime'  1620385399
                                   'redo_metaread'  0
                                        'rest_str'   0playlists fuck_me 12 electronic unsorted;set pl fuck me
                                      'tag_artist'  Sonic Youth
                                     'tag_release'  The Very Best Of Fuck Songs
                                       'tag_title'  Superstar
                                             'bpm'  84.773
                                    'search_title'  'superstar':1
                                   'search_artist'  'sonic':1 'youth':2
                                  'search_release'  'best':3 'fuck':5 'of':4 'songs':6 'the':1 'very':2
                                     'search_rest'  '0playlists':1 'electronic':4 'fuck':2,10 'me':3,11 'pl':9 'set':6,8 'unsorted':5,7
                                    'search_combo'  '0playlists':10 'best':6C 'electronic':13 'fuck':8C,11,19 'me':12,20 'of':7C 'pl':18 'set':15,17 'songs':9C 'sonic':2B 'superstar':1A 'the':4C 'unsorted':14,16 'very':5C 'youth':3B
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'post punk', 'experimental', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385399.3433933  (2021-05-07 13:03:19)
                             'size'  5929905