======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '187'
                                          'artist'  'Jóhann Jóhannsson'
                                     'text_people'  ''
                                         'release'  'Englabörn'
                                           'title'  'Bað'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['contemporary classical', 'icelandic', 'electronic', 'experimental', "
 "'ambient']")
                                     'discogstags'  "['electronic', 'classical', 'modern classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '16'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments-contemporary'
                                             'bpm'  '90'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Englabörn'
'TBPM' (BPM (beats per minute))                     '90'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments-contemporary'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2007-11-12'
'TIT2' (Title/songname/content description)         'Bað'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jóhann Jóhannsson'
'TPE2' (Band/orchestra/accompaniment)               'Jóhann Jóhannsson'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '4AD'
'TRCK' (Track number/Position in set)               '8/16'
'TSO2'                                              'Jóhannsson, Jóhann'
'TSOP' (Performer sort order)                       'Jóhannsson, Jóhann'
'TSRC' (ISRC (international standard recording code))  'DEN961730208'
'TXXX:ASIN'                                         'B00008BXFL'
'TXXX:Artists'                                      'Jóhann Jóhannsson'
'TXXX:BARCODE'                                      '652637273328'
'TXXX:CATALOGNUMBER'                                'CAD 2733 CD'
'TXXX:MusicBrainz Album Artist Id'                  '578c1e77-4756-44dd-86a9-b1e71a5b635e'
'TXXX:MusicBrainz Album Id'                         '0cd1f0e3-c794-3a32-915f-db62ba84e0be'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '578c1e77-4756-44dd-86a9-b1e71a5b635e'
'TXXX:MusicBrainz Release Group Id'                 'f9610b98-ae9f-3970-91c7-527852baed2b'
'TXXX:MusicBrainz Release Track Id'                 '54a6ba19-2dbd-3cd8-a285-1af66849295d'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'classical', 'modern classical', 'ambient']
'TXXX:lastfmtags'                                   ['contemporary classical', 'icelandic', 'electronic', 'experimental', 'ambient']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.10 dB'
'TXXX:replaygain_track_peak'                        '0.820987'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'49d4558f-35a1-4218-8ad0-a16f50b4748b')

========================== row from database ==========================
                                              'id'  1330231
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jóhann Jóhannsson/Englabörn/jóhann jóhannsson [2002.08] bað.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  187
                                           'genre'  prerock-classical or classical instruments-contemporary
                                        'filesize'  5261757
                                           'mtime'  1636916819
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic jóhann jóhannsson [2002.08] bað prerock classical or classical instruments contemporary
                                      'tag_artist'  Jóhann Jóhannsson
                                     'tag_release'  Englabörn
                                       'tag_title'  Bað
                                             'bpm'  90.0
                                    'search_title'  'bad':2 'bað':1
                                   'search_artist'  'johann':1,2 'johannsson':3,4
                                  'search_release'  'englaborn':1,2
                                     'search_rest'  '00poprockelectronic':1 '08':7 '2002':6 '200208':8 'bad':10 'bað':9 'classical':12 'contemporary':15 'instruments':14 'johann':2,3 'johannsson':4,5 'or':13 'prerock':11
                                    'search_combo'  '00poprockelectronic':9 '08':15 '2002':14 '200208':16 'bad':2A,18 'bað':1A,17 'classical':20 'contemporary':23 'englaborn':7C,8C 'instruments':22 'johann':3B,4B,10,11 'johannsson':5B,6B,12,13 'or':21 'prerock':19
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'icelandic', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'classical', 'modern classical', 'ambient']

============================== file details ==============================
                                           'mtime'  1636916818.6295109  (2021-11-14 20:06:58)
                             'size'  5261757