======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '156'
                                          'artist'  'Soundtrack'
                                     'text_people'  'Arthur Freed/Nacio Herb Brown'
                                         'release'  'Clockwork Orange'
                                           'title'  "Singin' In The Rain"
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'alternative', 'ost', 'soundtracks']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '136.828'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:\x84\x06\x8bé\x93³AO\x86O\x17¾åY\x01J'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x84\x06\x8b\xe9\x93\xb3AO\x86O\x17\xbe\xe5Y\x01J')
'PRIV:WM/WMCollectionID:\x84\x06\x8bé\x93³AO\x86O\x17¾åY\x01J'  PRIV(owner='WM/WMCollectionID', data=b'\x84\x06\x8b\xe9\x93\xb3AO\x86O\x17\xbe\xe5Y\x01J')
'PRIV:WM/WMContentID:3yé\x12\\î\x85M«\x1aá\x00c¤q½'  PRIV(owner='WM/WMContentID', data=b'3y\xe9\x12\\\xee\x85M\xab\x1a\xe1\x00c\xa4q\xbd')
'TALB' (Album/Movie/Show title)                     'Clockwork Orange'
'TBPM' (BPM (beats per minute))                     '136.828'
'TCOM' (Composer)                                   'Arthur Freed/Nacio Herb Brown'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         "Singin' In The Rain"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gene Kelly'
'TPE2' (Band/orchestra/accompaniment)               'Soundtrack'
'TPUB' (Publisher)                                  'WB'
'TRCK' (Track number/Position in set)               '15'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 320 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'alternative', 'ost', 'soundtracks']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.57 dB'
'TXXX:replaygain_track_peak'                        '0.455588'

========================== row from database ==========================
                                              'id'  1509174
                                            'path'  /data/Music/Bulk/0soundtrack/Wendy Carlos - Clockwork Orange OST 1971/15 - Gene Kelly - Singin_ In The Rain.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  156
                                           'genre'  soundtrack-video
                                        'filesize'  6297612
                                           'mtime'  1620334400
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Wendy Carlos OST 1971 15 Gene Kelly Singin_ soundtrack video
                                      'tag_artist'  Soundtrack
                                     'tag_release'  Clockwork Orange
                                       'tag_title'  Singin' In The Rain
                                             'bpm'  136.828
                                    'search_title'  'in':3 'rain':5 'singin':1,2 'the':4
                                   'search_artist'  'soundtrack':1
                                  'search_release'  'clockwork':1 'orange':2
                                     'search_rest'  '0soundtrack':1 '1971':5 'carlos':3 'gene':6 'kelly':7 'ost':4 'singin':8 'soundtrack':9 'video':10 'wendy':2
                                    'search_combo'  '0soundtrack':9 '1971':13 'carlos':11 'clockwork':7C 'gene':14 'in':3A 'kelly':15 'orange':8C 'ost':12 'rain':5A 'singin':1A,2A,16 'soundtrack':6B,17 'the':4A 'video':18 'wendy':10
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'alternative', 'ost', 'soundtracks']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620334400.2584336  (2021-05-06 22:53:20)
                             'size'  6297612