======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '475'
                                          'artist'  'Sigur Rós'
                                     'text_people'  ''
                                         'release'  'Ágætis byrjun'
                                           'title'  'Ágætis byrjun'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-PLAY-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'icelandic', 'post rock', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '5'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '129'
                                             'key'  '9B'
                                        'acoustid'  '54defa38-c26a-4bd2-9b08-e1cdbdae1fa8'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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)                     'Ágætis byrjun'
'TBPM' (BPM (beats per minute))                     '129'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '2000-08-14'
'TIT2' (Title/songname/content description)         'Ágætis byrjun'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Sigur Rós'
'TPE2' (Band/orchestra/accompaniment)               'Sigur Rós'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'FatCat Records'
'TRCK' (Track number/Position in set)               '4/5'
'TSO2'                                              'Sigur Rós'
'TSOP' (Performer sort order)                       'Sigur Rós'
'TXXX:Acoustid Id'                                  '54defa38-c26a-4bd2-9b08-e1cdbdae1fa8'
'TXXX:Artists'                                      'Sigur Rós'
'TXXX:CATALOGNUMBER'                                'FATLP11'
'TXXX:MusicBrainz Album Artist Id'                  'f6f2326f-6b25-4170-b89d-e235b25508e8'
'TXXX:MusicBrainz Album Id'                         'cf902667-aa48-42de-a555-9307adbad102'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f6f2326f-6b25-4170-b89d-e235b25508e8'
'TXXX:MusicBrainz Release Group Id'                 '62b427b8-1c52-34e7-b250-da2aa3e44860'
'TXXX:MusicBrainz Release Track Id'                 '441beea7-a453-3ccf-88e9-ee7262fec2ea'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'icelandic', 'post rock', 'ambient']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.06 dB'
'TXXX:replaygain_track_peak'                        '0.435443'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'295acc0d-5d84-477e-9a53-451fed3a8c78')

========================== row from database ==========================
                                              'id'  1316624
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sigur Ros/Agaetis Byrjun/09 - Agaetis Byrjun.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  475
                                           'genre'  electronic-ambient
                                        'filesize'  11449544
                                           'mtime'  1636911177
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Ros Agaetis Byrjun 09 Agaetis Byrjun electronic ambient
                                      'tag_artist'  Sigur Rós
                                     'tag_release'  Ágætis byrjun
                                       'tag_title'  Ágætis byrjun
                                             'bpm'  129.0
                                    'search_title'  'agaetis':2 'agætis':1 'byrjun':3
                                   'search_artist'  'ros':2,3 'sigur':1
                                  'search_release'  'agaetis':2 'agætis':1 'byrjun':3
                                     'search_rest'  '00poprockelectronic':1 'agaetis':3 'ambient':6 'byrjun':4 'electronic':5 'ros':2
                                    'search_combo'  '00poprockelectronic':10 'agaetis':2A,8C,12 'agætis':1A,7C 'ambient':15 'byrjun':3A,9C,13 'electronic':14 'ros':5B,6B,11 'sigur':4B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'Q-PIANO-2', 'q-mixbeat-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'icelandic', 'post rock', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911177.2425578  (2021-11-14 18:32:57)
                             'size'  11449544