======================== unified (from filesystem) ========================
                                         'bitrate'  '191.981'
                                        'duration'  '262'
                                          'artist'  'Night Ranger'
                                     'text_people'  ''
                                         'release'  'The Sound of Winter (disc 2)'
                                           'title'  'The Secret of My Success'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'hair metal', '80s', 'hard rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '20'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '121.482'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'The Sound of Winter (disc 2)'
'TBPM' (BPM (beats per minute))                     '121.482'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'The Secret of My Success'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Night Ranger'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9/20'
'TSOP' (Performer sort order)                       'Night Ranger'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:lastfmtags'                                   ['rock', 'hair metal', '80s', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+7.99 dB'
'TXXX:replaygain_track_peak'                        '0.154575'

========================== row from database ==========================
                                              'id'  1350514
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Night Ranger-The Sound Of Winter (disc 2)-09-The Secret Of My Success.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  262
                                           'genre'  eid-unsorted
                                        'filesize'  6309030
                                           'mtime'  1620521470
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Of 09 Of eid unsorted
                                      'tag_artist'  Night Ranger
                                     'tag_release'  The Sound of Winter (disc 2)
                                       'tag_title'  The Secret of My Success
                                             'bpm'  121.482
                                    'search_title'  'my':4 'of':3 'secret':2 'success':5 'the':1
                                   'search_artist'  'night':1 'ranger':2
                                  'search_release'  '2':7,8 'disc':5,6 'of':3 'sound':2 'the':1 'winter':4
                                     'search_rest'  '00poprockelectronic':1 'eid':8 'files':5,6 'loose':3,4 'of':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 '2':14C,15C 'disc':12C,13C 'eid':23 'files':20,21 'loose':18,19 'my':4A 'night':6B 'of':3A,10C,22 'ranger':7B 'secret':2A 'sound':9C 'success':5A 'the':1A,8C 'unsorted':17 'winter':11C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'hair metal', '80s', 'hard rock', 'classic rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521469.8391492  (2021-05-09 02:51:09)
                             'size'  6309030