======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '292'
                                          'artist'  'Frank Zappa'
                                     'text_people'  'Frank Zappa'
                                         'release'  'Jazz From Hell'
                                           'title'  'Night School'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'avantgarde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '8'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '120'
                                             'key'  '8B'
                                        'acoustid'  '7e58635c-027e-43e0-841e-55eb1d636ef5'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000049C 000004ED 00001564'
'COMM:iTunNORM:eng'                                 (' 0000049C 000004ED 00001564 00001ABE 0003A997 0003A997 00005448 000059D1 '
 '0003A997 0002E647')
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'PRIV:WM/WMCollectionID:ÔsÓ9?ÆðI»÷8æÍe3A'           PRIV(owner='WM/WMCollectionID', data=b'\xd4s\xd39?\xc6\xf0I\xbb\xf78\xe6\xcde3A')
'PRIV:WM/WMContentID:˦Í0C\x07\x9cH\x8fÄÝ\xa0ÏèW\x0c'  PRIV(owner='WM/WMContentID', data=b'\xcb\xa6\xcd0C\x07\x9cH\x8f\xc4\xdd\xa0\xcf\xe8W\x0c')
'TALB' (Album/Movie/Show title)                     'Jazz From Hell'
'TBPM' (BPM (beats per minute))                     '120'
'TCOM' (Composer)                                   'Frank Zappa'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDOR' (Original release time)                      '1986'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Night School'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TPE2' (Band/orchestra/accompaniment)               'Frank Zappa'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Zappa Records'
'TRCK' (Track number/Position in set)               '1/8'
'TSO2'                                              'Zappa, Frank'
'TSOP' (Performer sort order)                       'Zappa, Frank'
'TXXX:Acoustid Id'                                  '7e58635c-027e-43e0-841e-55eb1d636ef5'
'TXXX:Artists'                                      'Frank Zappa'
'TXXX:BARCODE'                                      '5016583603229'
'TXXX:CATALOGNUMBER'                                'CDZAP 32'
'TXXX:MusicBrainz Album Artist Id'                  'e20747e7-55a4-452e-8766-7b985585082d'
'TXXX:MusicBrainz Album Id'                         'a6e13bed-9cc6-4a44-af84-403b0fd169a5'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e20747e7-55a4-452e-8766-7b985585082d'
'TXXX:MusicBrainz Release Group Id'                 'db261fa2-7a8e-36e5-b94e-4075c6c09944'
'TXXX:MusicBrainz Release Track Id'                 '3cea6380-c5bb-3fa1-a736-ec8c0579a7f7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'avantgarde']
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
'TXXX:originalyear'                                 '1986'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.62 dB'
'TXXX:replaygain_track_peak'                        '0.678289'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ab321bfe-d678-4827-ba18-18819080455a')

========================== row from database ==========================
                                              'id'  1312404
                                            'path'  /data/Music/Bulk/00poprockelectronic/Frank Zappa/Jazz From Hell/01 1. Night School 1.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  292
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  11768728
                                           'mtime'  1636757597
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 1. 1 rock cppex experimental or noise
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  Jazz From Hell
                                       'tag_title'  Night School
                                             'bpm'  120.0
                                    'search_title'  'night':1 'school':2
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  'from':2 'hell':3 'jazz':1
                                     'search_rest'  '00poprockelectronic':1 '1':2,3 'cppex':5 'experimental':6 'noise':8 'or':7 'rock':4
                                    'search_combo'  '00poprockelectronic':8 '1':9,10 'cppex':12 'experimental':13 'frank':3B 'from':6C 'hell':7C 'jazz':5C 'night':1A 'noise':15 'or':14 'rock':11 'school':2A 'zappa':4B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8B
                                           '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-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  1990
                                     'discogstags'  ['electronic', 'rock', 'avantgarde']

============================== file details ==============================
                                           'mtime'  1636757596.9405534  (2021-11-12 23:53:16)
                             'size'  11768728