======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '155'
                                          'artist'  'Hugo Montenegro'
                                     'text_people'  ''
                                         'release'  'The Later Lounge'
                                           'title'  'Secret Agent Man'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['instrumental', 'illstreet', 'somafm', 'soundtrack', 'lounge', 'easy "
 "listening']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '20'
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-pop'
                                             'bpm'  '132.704'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Chillout; Love'
'COMM:Songs-DB_Custom1:eng'                         '1960s'
'COMM:Songs-DB_Custom2:eng'                         'Soundtracks; Male; Film Score; Orchestra'
'COMM:Songs-DB_Custom3:eng'                         'American'
'COMM:Songs-DB_Occasion:eng'                        'Chillout; Love'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The Later Lounge'
'TBPM' (BPM (beats per minute))                     '132.704'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-pop'
'TDOR' (Original release time)                      '1968'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Secret Agent Man'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Hugo Montenegro'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4/20'
'TSOP' (Performer sort order)                       'Montenegro, Hugo'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '094,206'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '983b18db-3c0b-4965-842a-fba134a84f29'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '5223d56e-a569-4b85-87d6-05ad2063f30b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental',
 'illstreet',
 'somafm',
 'soundtrack',
 'lounge',
 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.435879'

========================== row from database ==========================
                                              'id'  678042
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Unsorted/Hugo Montenegro__The Later Lounge__04 - Secret Agent Man.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  155
                                           'genre'  prerock-jb-jazz-pop
                                        'filesize'  3739754
                                           'mtime'  1620536966
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Unsorted Montenegro__The Lounge__04 prerock jb jazz pop
                                      'tag_artist'  Hugo Montenegro
                                     'tag_release'  The Later Lounge
                                       'tag_title'  Secret Agent Man
                                             'bpm'  132.704
                                    'search_title'  'agent':2 'man':3 'secret':1
                                   'search_artist'  'hugo':1 'montenegro':2
                                  'search_release'  'later':2 'lounge':3 'the':1
                                     'search_rest'  '04':9 'country':4 'exotica':2 'jazz':1 'jb':11 'lounge':8 'montenegro':6 'oldies':3 'pop':12 'prerock':10 'the':7 'unsorted':5
                                    'search_combo'  '04':17 'agent':2A 'country':12 'exotica':10 'hugo':4B 'jazz':9 'jb':19 'later':7C 'lounge':8C,16 'man':3A 'montenegro':5B,14 'oldies':11 'pop':20 'prerock':18 'secret':1A 'the':6C,15 'unsorted':13
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'illstreet', 'somafm', 'soundtrack', 'lounge', 'easy listening']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536966.2350395  (2021-05-09 07:09:26)
                             'size'  3739754