======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '287'
                                          'artist'  'Red Snapper'
                                     'text_people'  ''
                                         'release'  'Making Bones'
                                           'title'  'The Sleepless'
                                           '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-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'downtempo', 'acid jazz', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '91.062'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000655 00000676 00001D2C'
'COMM:iTunNORM:eng'                                 (' 00000655 00000676 00001D2C 0000326A 0003F7CE 0003F7B7 00007E25 00008000 '
 '0001D505 00015FD5')
'TALB' (Album/Movie/Show title)                     'Making Bones'
'TBPM' (BPM (beats per minute))                     '91.062'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1998-07-01'
'TIT2' (Title/songname/content description)         'The Sleepless'
'TKEY' (Initial key)                                '9A'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Snapper'
'TPE2' (Band/orchestra/accompaniment)               'Red Snapper'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sony Music Associated Records'
'TRCK' (Track number/Position in set)               '1/11'
'TXXX:ALBUMARTISTSORT'                              'Red Snapper'
'TXXX:CATALOGNUMBER'                                'AICT 16'
'TXXX:MusicBrainz Album Artist Id'                  '89abed31-3a93-407e-a4a3-a94e193488cd'
'TXXX:MusicBrainz Album Id'                         '46067f47-9903-4285-8c3b-2e131a1f623a'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '89abed31-3a93-407e-a4a3-a94e193488cd'
'TXXX:MusicIP PUID'                                 'ae0eac76-6051-933a-249a-9f9a428d98c5'
'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'
'TXXX:lastfmtags'                                   ['electronic', 'downtempo', 'acid jazz', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.94 dB'
'TXXX:replaygain_track_peak'                        '0.439423'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'800efcd7-c7dc-44be-a26f-b2a71bc8b94c')

========================== row from database ==========================
                                              'id'  1360633
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Red Snapper/Making Bones/01. The Sleepless.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  287
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  9189687
                                           'mtime'  1636910879
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 01. electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Red Snapper
                                     'tag_release'  Making Bones
                                       'tag_title'  The Sleepless
                                             'bpm'  91.062
                                    'search_title'  'sleepless':2 'the':1
                                   'search_artist'  'red':1 'snapper':2
                                  'search_release'  'bones':2 'making':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '01':3,4 'acid':10 'downtempo':9 'electronic':5 'hop':7 'jazz':11 'or':8 'trip':6
                                    'search_combo'  '00poprockelectronic':7 '00trip':8 '01':9,10 'acid':16 'bones':6C 'downtempo':15 'electronic':11 'hop':13 'jazz':17 'making':5C 'or':14 'red':3B 'sleepless':2A 'snapper':4B 'the':1A 'trip':12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'downtempo', 'acid jazz', 'trip hop', 'chillout']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910878.969456  (2021-11-14 18:27:58)
                             'size'  9189687