======================== unified (from filesystem) ========================
                                         'bitrate'  '239.273'
                                        'duration'  '239'
                                          'artist'  'London Grammar'
                                     'text_people'  ''
                                         'release'  'If You Wait'
                                           'title'  'Interlude (live)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'female vocalists', 'electronic', 'british']"
                                     'discogstags'  "['synth-pop', 'trip hop', 'electronic', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '11'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '125.315'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'If You Wait'
'TBPM' (BPM (beats per minute))                     '125.315'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-09-09'
'TIT2' (Title/songname/content description)         'Interlude (live)'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'London Grammar'
'TPE2' (Band/orchestra/accompaniment)               'London Grammar'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Metal & Dust Recordings Ltd.'
'TRCK' (Track number/Position in set)               '9/11'
'TSO2'                                              'London Grammar'
'TSOP' (Performer sort order)                       'London Grammar'
'TSRC' (ISRC (international standard recording code))  'GBCEN1300704'
'TXXX:ASIN'                                         'B00DR98EYK'
'TXXX:BARCODE'                                      '5051275064728'
'TXXX:CATALOGNUMBER'                                'MADART1'
'TXXX:MusicBrainz Album Artist Id'                  '4dbe08c1-b40a-43b3-ab89-210000bd8ab2'
'TXXX:MusicBrainz Album Id'                         '040fb08a-9e89-40f6-bf09-324c6b594c27'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4dbe08c1-b40a-43b3-ab89-210000bd8ab2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['synth-pop', 'trip hop', 'electronic', 'pop']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'female vocalists', 'electronic', 'british']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.43 dB'
'TXXX:replaygain_track_peak'                        '0.519145'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f84fc954-e992-4bdb-9db5-d85b2e79ef2c')

========================== row from database ==========================
                                              'id'  1356884
                                            'path'  /data/Music/Bulk/00poprockelectronic/London Grammar - If You Wait (2013)/09. Interlude (Live).mp3
                                         'working'  None
                                         'bitrate'  239
                                    'duration_sec'  239
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7199142
                                           'mtime'  1636911312
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2013) 09. (Live) electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  London Grammar
                                     'tag_release'  If You Wait
                                       'tag_title'  Interlude (live)
                                             'bpm'  125.315
                                    'search_title'  'interlude':1 'live':2,3
                                   'search_artist'  'grammar':2 'london':1
                                  'search_release'  'if':1 'wait':3 'you':2
                                     'search_rest'  '00poprockelectronic':1 '09':4,5 '2013':2,3 'acid':13 'downtempo':12 'electronic':8 'hop':10 'jazz':14 'live':6,7 'or':11 'trip':9
                                    'search_combo'  '00poprockelectronic':9 '09':12,13 '2013':10,11 'acid':21 'downtempo':20 'electronic':16 'grammar':5B 'hop':18 'if':6C 'interlude':1A 'jazz':22 'live':2A,3A,14,15 'london':4B 'or':19 'trip':17 'wait':8C 'you':7C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-3', '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-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'female vocalists', 'electronic', 'british']
                                        'tag_date'  2013
                                     'discogstags'  ['synth-pop', 'trip hop', 'electronic', 'pop']

============================== file details ==============================
                                           'mtime'  1636911312.4552152  (2021-11-14 18:35:12)
                             'size'  7199142