======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '179'
                                          'artist'  'Monte Babson'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 01 - Exotica Special'
                                           'title'  "C'est Si Bon)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '90.0'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 01 - Exotica Special'
'TBPM' (BPM (beats per minute))                     '90.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'iTunes 8.2.0.23, QuickTime 7.6.2'
'TIT2' (Title/songname/content description)         "C'est Si Bon)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Monte Babson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.403331'
'WXXX:'                                             WXXX(encoding=<Encoding.UTF16: 1>, desc='', url='http://www.avs4you.com')

========================== row from database ==========================
                                              'id'  1516275
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Monte Babson - va - Trashcan Records Vol. 01 - Exotica Special/21 - Monty Babson - C_est Si Bon (It Is So Good) (Palette) (London, U.K.).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  179
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  7282245
                                           'mtime'  1620532695
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va 21 Monty C_est (It Is So Good) (Palette) (London, U.K.) prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Monte Babson
                                     'tag_release'  Trashcan Records Vol. 01 - Exotica Special
                                       'tag_title'  C'est Si Bon)
                                             'bpm'  90.0
                                    'search_title'  'bon':5,6 'c':1 'cest':3 'est':2 'si':4
                                   'search_artist'  'babson':2 'monte':1
                                  'search_release'  'exotica':5 'records':2 'special':6 'trashcan':1 'vol':3,4
                                     'search_rest'  '21':6 'bossa':26 'c':8 'country':4 'est':9 'exotica':2 'good':14,15 'is':12 'it':10,11 'jazz':1 'jb':24 'k':21 'london':18,19 'lounge':25 'monty':7 'oldies':3 'palette':16,17 'prerock':23 'so':13 'u':20 'uk':22 'va':5
                                    'search_combo'  '21':20 'babson':8B 'bon':5A,6A 'bossa':40 'c':1A,22 'cest':3A 'country':18 'est':2A,23 'exotica':13C,16 'good':28,29 'is':26 'it':24,25 'jazz':15 'jb':38 'k':35 'london':32,33 'lounge':39 'monte':7B 'monty':21 'oldies':17 'palette':30,31 'prerock':37 'records':10C 'si':4A 'so':27 'special':14C 'trashcan':9C 'u':34 'uk':36 'va':19 'vol':11C,12C
                                    'tag_tracknum'  21
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532694.6842282  (2021-05-09 05:58:14)
                             'size'  7282245