======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '151'
                                          'artist'  'Mouse & The Traps'
                                     'text_people'  ''
                                         'release'  'Fraternity Years'
                                           'title'  'L.O.V.E. Love'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['garage rock', '60s', 'psychedelic', 'rock', 'psychedelic rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '25'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '145.267'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000780 00000780 000035BF 000035BF 00022E43 00022E43 0000840C 0000840C '
 '00004FCB 00004FCB')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AC8 000000000065C328 00000000 003754E6 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '25+F307C5539D51685F7352296FAA00104B+625001'
'TALB' (Album/Movie/Show title)                     'Fraternity Years'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TDRC' (Recording time)                             '1967'
'TENC' (Encoded by)                                 'iTunes 9.2.1'
'TIT2' (Title/songname/content description)         'L.O.V.E. Love'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mouse & The Traps'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '18/25'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['garage rock', '60s', 'psychedelic', 'rock', 'psychedelic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.512944'

========================== row from database ==========================
                                              'id'  765254
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Mouse & The Traps - L.O.V.E. Love.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  151
                                           'genre'  set-pl-spelling
                                        'filesize'  3633448
                                           'mtime'  1620356380
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling set pl spelling
                                      'tag_artist'  Mouse & The Traps
                                     'tag_release'  Fraternity Years
                                       'tag_title'  L.O.V.E. Love
                                             'bpm'  145.267
                                    'search_title'  'e':4 'l':1 'love':5 'o':2 'v':3
                                   'search_artist'  'mouse':1 'the':2 'traps':3
                                  'search_release'  'fraternity':1 'years':2
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':6 'set':5 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':12 '0playlists':11 'e':4A 'fraternity':9C 'l':1A 'love':5A 'mouse':6B 'o':2A 'pl':16 'set':15 'spelling':14 'the':7B 'themes':13 'traps':8B 'v':3A 'years':10C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  8B
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', '60s', 'psychedelic', 'rock', 'psychedelic rock']
                                        'tag_date'  1967
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620356379.6626859  (2021-05-07 04:59:39)
                             'size'  3633448