======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '215'
                                          'artist'  'Abdul Hassan Orchestra'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 01 - Exotica Special'
                                           'title'  'Arabian Affair'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['70s', 'instrumental', '80s', 'disco', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '31'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '107.5'
                                             'key'  '7B'
                                        '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))                     '107.5'
'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)         'Arabian Affair'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Abdul Hassan Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '31'
'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:lastfmtags'                                   ['70s', 'instrumental', '80s', 'disco', 'world']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.484837'
'WXXX:'                                             WXXX(encoding=<Encoding.UTF16: 1>, desc='', url='http://www.avs4you.com')

========================== row from database ==========================
                                              'id'  1383223
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Monte Babson - va - Trashcan Records Vol. 01 - Exotica Special/31 - Abdul Hassan Orchestra - Arabian Affair (Mercury & Decca) (Netherlands).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  215
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  8733427
                                           'mtime'  1620532731
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Monte Babson va 31 (Mercury & Decca) (Netherlands) prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Abdul Hassan Orchestra
                                     'tag_release'  Trashcan Records Vol. 01 - Exotica Special
                                       'tag_title'  Arabian Affair
                                             'bpm'  107.5
                                    'search_title'  'affair':2 'arabian':1
                                   'search_artist'  'abdul':1 'hassan':2 'orchestra':3
                                  'search_release'  'exotica':5 'records':2 'special':6 'trashcan':1 'vol':3,4
                                     'search_rest'  '31':8 'babson':6 'bossa':18 'country':4 'decca':11,12 'exotica':2 'jazz':1 'jb':16 'lounge':17 'mercury':9,10 'monte':5 'netherlands':13,14 'oldies':3 'prerock':15 'va':7
                                    'search_combo'  '31':19 'abdul':3B 'affair':2A 'arabian':1A 'babson':17 'bossa':29 'country':15 'decca':22,23 'exotica':10C,13 'hassan':4B 'jazz':12 'jb':27 'lounge':28 'mercury':20,21 'monte':16 'netherlands':24,25 'oldies':14 'orchestra':5B 'prerock':26 'records':7C 'special':11C 'trashcan':6C 'va':18 'vol':8C,9C
                                    'tag_tracknum'  31
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['70s', 'instrumental', '80s', 'disco', 'world']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532730.7522335  (2021-05-09 05:58:50)
                             'size'  8733427