======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '252'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  'Mezzanine'
                                           'title'  '(Exchange)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'leftfield', 'trip hop', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '11'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '125'
                                             'key'  '3A'
                                        'acoustid'  'a7ac7ac6-bb0b-4663-b3bd-0ed2fd621e05'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Rotel'
'TALB' (Album/Movie/Show title)                     'Mezzanine'
'TBPM' (BPM (beats per minute))                     '125'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-04-17'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['engineer', 'Lee Shephard'], ['producer', 'Neil Davidge'], ['producer', 'Massive Attack'], ['arranger', 'Neil Davidge'], ['arranger', 'Massive Attack'], ['mix', "Jan 'Stan' Kybert"], ['mix', 'Mark "Spike" Stent'], ['mix', "Paul 'P Dub' Walton"], ['guitar', 'Angelo Bruschini'], ['additional keyboard', 'Dave Jenkins'], ['additional keyboard', 'Michael Timothy'], ['bass', 'Winston Blissett'], ['bass', 'Jon Harris'], ['bass', 'Bob Locke'], ['vocals', 'Robert Del Naja'], ['vocals', 'Grant Marshall'], ['membranophone', 'Andy Gangadeen'], ['keyboard and sampler', 'Neil Davidge'], ['keyboard and sampler', 'Massive Attack']])
'TIT2' (Title/songname/content description)         '(Exchange)'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Massive Attack'
'TPE2' (Band/orchestra/accompaniment)               'Massive Attack'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin Records Australia'
'TRCK' (Track number/Position in set)               '11/11'
'TSO2'                                              'Massive Attack'
'TSOP' (Performer sort order)                       'Massive Attack'
'TSRC' (ISRC (international standard recording code))  'GBAAA9800350/GBUM71805223'
'TSST' (Set subtitle)                               'Mezzanine XX/2018 remaster'
'TXXX:ASIN'                                         'B000006045'
'TXXX:Acoustid Id'                                  'a7ac7ac6-bb0b-4663-b3bd-0ed2fd621e05'
'TXXX:Artists'                                      'Massive Attack'
'TXXX:BARCODE'                                      '724384559922'
'TXXX:CATALOGNUMBER'                                'WBRCD4'
'TXXX:MusicBrainz Album Artist Id'                  '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Album Id'                         '2fa63133-a4c9-3f41-8deb-162189de83ff'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Release Group Id'                 '6f9f6899-c0d3-311d-ae87-a10ae6bc53a9'
'TXXX:MusicBrainz Release Track Id'                 'bc7230ed-a862-3451-96d6-5cdb7cb3cb28'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'trip hop', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.42 dB'
'TXXX:replaygain_track_peak'                        '0.812753'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b6293447-05bf-4123-bfe5-099754348bbf')
'USLT::XXX'                                         ('Yeah yeah yeah ah\r\n'
 "You see a man's face\r\n"
 "But you don't see his heart\r\n"
 "You see a man's face\r\n"
 'But you will never know his thoughts\r\n'
 '\r\n'
 'Everywhere you go\r\n'
 "There's a man to say love\r\n"
 'Never neither never neither\r\n'
 'Take it to heart\r\n'
 '\r\n'
 'For your heart is your heart\r\n'
 'And your thoughts is your thoughts\r\n'
 'Never mix love with hatred\r\n'
 '\r\n'
 "You see a man's face\r\n"
 'You will never see his heart\r\n'
 "You see a man's face\r\n"
 'But you will never know his thoughts\r\n'
 "You see a man's face\r\n"
 'You will never know his thoughts\r\n'
 "You see a man's face")

========================== row from database ==========================
                                              'id'  1311233
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Massive Attack/Mezzanine/11. (Exchange).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  252
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  10166420
                                           'mtime'  1636910724
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 11. electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  Mezzanine
                                       'tag_title'  (Exchange)
                                             'bpm'  125.0
                                    'search_title'  'exchange':1,2
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  'mezzanine':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '11':3,4 'acid':10 'downtempo':9 'electronic':5 'hop':7 'jazz':11 'or':8 'trip':6
                                    'search_combo'  '00poprockelectronic':6 '00trip':7 '11':8,9 'acid':15 'attack':4B 'downtempo':14 'electronic':10 'exchange':1A,2A 'hop':12 'jazz':16 'massive':3B 'mezzanine':5C 'or':13 'trip':11
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'leftfield', 'trip hop', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636910723.9455917  (2021-11-14 18:25:23)
                             'size'  10166420