======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '136'
                                          'artist'  'Dick Kent'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Maker Of Smooth Music'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['song poem', 'mentalist', 'outsider', 'msr']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  '32'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '119.124'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000047E 0000036A 00001CCF 000015AC 0000AA9C 0000AA9C 00004575 00003C6D '
 '000075A7 000075A7')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000834 00000000005FCBBC 00000000 0034143F 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'D7112F20+330081+32+150+12425+27660+39760+52860+53560+63780+76065+88840+89350+102302+113272+124847+135322+147357+159387+169007+181242+192402+192702+206724+217071+227503+236995+249602+261319+271996+282483+294980+305750+307322+319309'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '26'
'TBPM' (BPM (beats per minute))                     '119.124'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Maker Of Smooth Music'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Kent'
'TRCK' (Track number/Position in set)               '26/32'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['song poem', 'mentalist', 'outsider', 'msr']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.386629'

========================== row from database ==========================
                                              'id'  766764
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Dick Kent - Maker Of Smooth Music.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  136
                                           'genre'  set-pl-spelling
                                        'filesize'  3281789
                                           'mtime'  1620356314
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling set pl spelling
                                      'tag_artist'  Dick Kent
                                     'tag_release'  None
                                       'tag_title'  Maker Of Smooth Music
                                             'bpm'  119.124
                                    'search_title'  'maker':1 'music':4 'of':2 'smooth':3
                                   'search_artist'  'dick':1 'kent':2
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':6 'set':5 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':8 '0playlists':7 'dick':5B 'kent':6B 'maker':1A 'music':4A 'of':2A 'pl':12 'set':11 'smooth':3A 'spelling':10 'themes':9
                                    'tag_tracknum'  26
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['song poem', 'mentalist', 'outsider', 'msr']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356313.5106654  (2021-05-07 04:58:33)
                             'size'  3281789