======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '273'
                                          'artist'  'Bonobo'
                                     'text_people'  ''
                                         'release'  "Dial 'M' For Monkey"
                                           'title'  'Change Down'
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '9'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '110.122'
                                             'key'  '9A'
                                        'acoustid'  '10242df5-2e10-47d0-9de4-5f2a1d535fb4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000039F 00000517 00001388'
'COMM:iTunNORM:eng'                                 (' 0000039F 00000517 00001388 000019E4 00015FD5 00015FD5 00007FE6 00008000 '
 '0001D505 00011187')
'TALB' (Album/Movie/Show title)                     "Dial 'M' For Monkey"
'TBPM' (BPM (beats per minute))                     '110.122'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Change Down'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bonobo'
'TPE2' (Band/orchestra/accompaniment)               'Bonobo'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ninja Tune'
'TRCK' (Track number/Position in set)               '4/9'
'TSO2'                                              'Bonobo'
'TSOP' (Performer sort order)                       'Bonobo'
'TXXX:Acoustid Id'                                  '10242df5-2e10-47d0-9de4-5f2a1d535fb4'
'TXXX:CATALOGNUMBER'                                'ZEN CD80P'
'TXXX:MusicBrainz Album Artist Id'                  '9a709693-b4f8-4da9-8cc1-038c911a61be'
'TXXX:MusicBrainz Album Id'                         '1cabe5e4-bdef-44b6-9977-934ed3c778a2'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'promotion'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9a709693-b4f8-4da9-8cc1-038c911a61be'
'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', 'trip hop', 'downtempo', 'ninja tune', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.04 dB'
'TXXX:replaygain_track_peak'                        '0.434575'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd2be7592-9f41-488b-bd7c-b0eece61c29b')

========================== row from database ==========================
                                              'id'  1339542
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Bonobo/[2003] Dial M For Monkey/04 Change Down.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  273
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6584042
                                           'mtime'  1636910360
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip [2003] 04 electronic trip hop downtempo acid jazz
                                      'tag_artist'  Bonobo
                                     'tag_release'  Dial 'M' For Monkey
                                       'tag_title'  Change Down
                                             'bpm'  110.122
                                    'search_title'  'change':1 'down':2
                                   'search_artist'  'bonobo':1
                                  'search_release'  'dial':1 'for':4 'm':2,3 'monkey':5
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '2003':3,4 'acid':9 'downtempo':8 'electronic':5 'hop':7 'jazz':10 'trip':6
                                    'search_combo'  '00poprockelectronic':9 '00trip':10 '2003':11,12 'acid':17 'bonobo':3B 'change':1A 'dial':4C 'down':2A 'downtempo':16 'electronic':13 'for':7C 'hop':15 'jazz':18 'm':5C,6C 'monkey':8C 'trip':14
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9A
                                           '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910360.0312457  (2021-11-14 18:19:20)
                             'size'  6584042