======================== unified (from filesystem) ========================
                                         'bitrate'  '236.518'
                                        'duration'  '398'
                                          'artist'  'Sigur Rós'
                                     'text_people'  ''
                                         'release'  '( )'
                                           'title'  '[Vaka]'
                                           '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-3', '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']"
                                     'discogstags'  "['electronic', 'rock', 'post rock', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '5'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '138.702'
                                             'key'  '4B'
                                        'acoustid'  'cb6d2b4f-5087-4514-9e05-2b2714242a62'
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)                     '( )'
'TBPM' (BPM (beats per minute))                     '138.702'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2009-03-09'
'TIT2' (Title/songname/content description)         '[Vaka]'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Sigur Rós'
'TPE2' (Band/orchestra/accompaniment)               'Sigur Rós'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'FatCat Records'
'TRCK' (Track number/Position in set)               '1/5'
'TSO2'                                              'Sigur Rós'
'TSOP' (Performer sort order)                       'Sigur Rós'
'TXXX:ASIN'                                         'B001T6KMFM'
'TXXX:Acoustid Id'                                  'cb6d2b4f-5087-4514-9e05-2b2714242a62'
'TXXX:BARCODE'                                      '600116992239'
'TXXX:CATALOGNUMBER'                                'FATLP22X'
'TXXX:MusicBrainz Album Artist Id'                  'f6f2326f-6b25-4170-b89d-e235b25508e8'
'TXXX:MusicBrainz Album Id'                         'b79c895f-3339-4de4-9714-2bc52288b89b'
'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: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:discogstags'                                  ['electronic', 'rock', 'post rock', 'ambient']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'icelandic', 'post rock', 'ambient']
'TXXX:q-bass'                                       '3'
'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'                        '+1.87 dB'
'TXXX:replaygain_track_peak'                        '0.626810'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dcae22f5-ea8a-4b2a-b64f-bfec8460e450')

========================== row from database ==========================
                                              'id'  1313450
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sigur Ros/( )/01 1.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  398
                                           'genre'  electronic-ambient
                                        'filesize'  11793182
                                           'mtime'  1636911171
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Ros 01 1 electronic ambient
                                      'tag_artist'  Sigur Rós
                                     'tag_release'  ( )
                                       'tag_title'  [Vaka]
                                             'bpm'  138.702
                                    'search_title'  'vaka':1,2
                                   'search_artist'  'ros':2,3 'sigur':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1':3 'ambient':5 'electronic':4 'ros':2
                                    'search_combo'  '00poprockelectronic':6 '1':8 'ambient':10 'electronic':9 'ros':4B,5B,7 'sigur':3B 'vaka':1A,2A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4B
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'icelandic', 'post rock', 'ambient']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic', 'rock', 'post rock', 'ambient']

============================== file details ==============================
                                           'mtime'  1636911171.0405443  (2021-11-14 18:32:51)
                             'size'  11793182