======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '301'
                                          'artist'  'Four Tet'
                                     'text_people'  'Kieran Hebden'
                                         'release'  'Pause'
                                           'title'  'Glue of the World'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'instrumental', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic', 'abstract', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '90'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:Z\x18\x00\x00'                   PRIV(owner='AverageLevel', data=b'Z\x18\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Pause'
'TBPM' (BPM (beats per minute))                     '90'
'TCOM' (Composer)                                   'Kieran Hebden'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'electronic-unsorted', 'electronic-unsorted']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-05-28'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Kieran Hebden']])
'TIT2' (Title/songname/content description)         'Glue of the World'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Four Tet'
'TPE2' (Band/orchestra/accompaniment)               'Four Tet'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Domino'
'TRCK' (Track number/Position in set)               '1/11'
'TSO2'                                              'Four Tet'
'TSOC'                                              'Hebden, Kieran'
'TSOP' (Performer sort order)                       'Four Tet'
'TXXX:ASIN'                                         'B00005CDV1'
'TXXX:Artists'                                      'Four Tet'
'TXXX:BARCODE'                                      '5034202009412'
'TXXX:CATALOGNUMBER'                                'WIGLP94'
'TXXX:MusicBrainz Album Artist Id'                  '3bcff06f-675a-451f-9075-99e8657047e8'
'TXXX:MusicBrainz Album Id'                         'fe2c5c30-62d0-4eaa-8750-7777803d14fd'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3bcff06f-675a-451f-9075-99e8657047e8'
'TXXX:MusicBrainz Release Group Id'                 '99ab4330-20f8-3b30-8bee-856f034d9418'
'TXXX:MusicBrainz Release Track Id'                 'c1ddc0d8-63c7-3cf4-938f-c7d0ffed7497'
'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', 'abstract', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'instrumental', 'idm', 'electronic', 'experimental']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.648948'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'cfd36294-833c-41de-9628-0450efab96d1')

========================== row from database ==========================
                                              'id'  1361754
                                            'path'  /data/Music/Bulk/00poprockelectronic/Four Tet/pause/Fourtet-Pause-01-Glue_of_the_world.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  301
                                           'genre'  electronic-unsorted
                                        'filesize'  4892922
                                           'mtime'  1621509073
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic pause Fourtet 01 Glue_of_the_world electronic unsorted
                                      'tag_artist'  Four Tet
                                     'tag_release'  Pause
                                       'tag_title'  Glue of the World
                                             'bpm'  90.0
                                    'search_title'  'glue':1 'of':2 'the':3 'world':4
                                   'search_artist'  'four':1 'tet':2
                                  'search_release'  'pause':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':8 'fourtet':3 'glue':4 'of':5 'pause':2 'the':6 'unsorted':9 'world':7
                                    'search_combo'  '00poprockelectronic':8 'electronic':15 'four':5B 'fourtet':10 'glue':1A,11 'of':2A,12 'pause':7C,9 'tet':6B 'the':3A,13 'unsorted':16 'world':4A,14
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'instrumental', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'abstract', 'downtempo']

============================== file details ==============================
                                           'mtime'  1621509072.617815  (2021-05-20 13:11:12)
                             'size'  4892922