======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '459'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  '100th Window'
                                           'title'  'Everywhen'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'leftfield', 'trip hop', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '10'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '156'
                                             'key'  '5A'
                                        'acoustid'  '3cbb183c-215a-421e-b12b-c244f6733f8a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:Q\x1a\x00\x00'                   PRIV(owner='AverageLevel', data=b'Q\x1a\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     '100th Window'
'TBPM' (BPM (beats per minute))                     '156'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Everywhen'
'TKEY' (Initial key)                                '5A'
'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'
'TRCK' (Track number/Position in set)               '3/10'
'TSO2'                                              'Massive Attack'
'TSOP' (Performer sort order)                       'Massive Attack'
'TSRC' (ISRC (international standard recording code))  'GBAAA0201159'
'TXXX:Acoustid Id'                                  '3cbb183c-215a-421e-b12b-c244f6733f8a'
'TXXX:Artists'                                      'Massive Attack'
'TXXX:MusicBrainz Album Artist Id'                  '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Album Id'                         '9c41c9a4-47ae-43dc-aed1-d1abbc3b4c87'
'TXXX:MusicBrainz Album Release Country'            'NZ'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Release Group Id'                 'd9c12c5f-8ad8-334a-a238-fad5a91af242'
'TXXX:MusicBrainz Release Track Id'                 'f482c8a2-1847-3001-b985-6c89f947d98b'
'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'                                 '2002'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.66 dB'
'TXXX:replaygain_track_peak'                        '0.605374'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'38fc00ba-e275-428d-a3c5-2eee250d304a')
'USLT::XXX'                                         ('Horace Andy:\n'
 'My love\n'
 'Your light\n'
 'Incantations\n'
 'Struck\n'
 'Stars like tears fall\n'
 'The sequence ends and beings\n'
 'Downtime\n'
 'Godspeed\n'
 'Hear/feel the way they concede\n'
 'The sequence ends and begins\n'
 'Everything you think you know\n'
 'Blood ties the sequence ends\n')

========================== row from database ==========================
                                              'id'  1456260
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Massive Attack/100th window/03 - everywhen.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  459
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  14770742
                                           'mtime'  1636910711
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip window 03 everywhen electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  100th Window
                                       'tag_title'  Everywhen
                                             'bpm'  156.0
                                    'search_title'  'everywhen':1
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  '100th':1 'window':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':10 'downtempo':9 'electronic':5 'everywhen':4 'hop':7 'jazz':11 'or':8 'trip':6 'window':3
                                    'search_combo'  '00poprockelectronic':6 '00trip':7 '100th':4C 'acid':15 'attack':3B 'downtempo':14 'electronic':10 'everywhen':1A,9 'hop':12 'jazz':16 'massive':2B 'or':13 'trip':11 'window':5C,8
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'leftfield', 'trip hop', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636910710.6381836  (2021-11-14 18:25:10)
                             'size'  14770742