======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '103'
                                          'artist'  'DAAU'
                                     'text_people'  ''
                                         'release'  'Ghost Tracks'
                                           'title'  'Credits'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['belgium', 'alternative', 'jazz', 'experimental', 'belgian']"
                                     'discogstags'  ("['electronic', 'jazz', 'rock', 'folk rock', 'modern classical', "
 "'avantgarde', 'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '13'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-newer-experimental or free'
                                             'bpm'  '91.846'
                                             'key'  '9A'
                                        'acoustid'  '4b18b08c-8912-4e55-b889-d2f4f539bee1'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '13+09F0057039E4373B5086C8F11'
'COMM:iTunes_CDDB_IDs:eng'                          '13+09F0057039E4373B5086C8F1101F42E7+3902403'
'PRIV:AverageLevel:\x8b\x07\x00\x00'                PRIV(owner='AverageLevel', data=b'\x8b\x07\x00\x00')
'PRIV:PeakValue:\xad5\x00\x00'                      PRIV(owner='PeakValue', data=b'\xad5\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)                     'Ghost Tracks'
'TBPM' (BPM (beats per minute))                     '91.846'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-newer-experimental or free'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-03-08'
'TIT2' (Title/songname/content description)         'Credits'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'DAAU'
'TPE2' (Band/orchestra/accompaniment)               'DAAU'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '13/13'
'TSO2'                                              'DAAU'
'TSOP' (Performer sort order)                       'DAAU'
'TXXX:Acoustid Id'                                  '4b18b08c-8912-4e55-b889-d2f4f539bee1'
'TXXX:MusicBrainz Album Artist Id'                  '6cb45b22-475e-440b-9231-8ba95d869f36'
'TXXX:MusicBrainz Album Id'                         '67f64748-cb74-44b6-9db5-0613bf773d61'
'TXXX:MusicBrainz Album Release Country'            'BE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6cb45b22-475e-440b-9231-8ba95d869f36'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic',
 'jazz',
 'rock',
 'folk rock',
 'modern classical',
 'avantgarde',
 'experimental']
'TXXX:lastfmtags'                                   ['belgium', 'alternative', 'jazz', 'experimental', 'belgian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.71 dB'
'TXXX:replaygain_track_peak'                        '0.419367'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6366968c-5177-4206-bab6-5948618f11c2')

========================== row from database ==========================
                                              'id'  1253067
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/DAAU - 2004 - Ghost Tracks/13 - Credits.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  103
                                           'genre'  prerock-jb-jazz-newer-experimental or free
                                        'filesize'  2913742
                                           'mtime'  1620528414
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 2004 13 prerock jb jazz newer experimental or free
                                      'tag_artist'  DAAU
                                     'tag_release'  Ghost Tracks
                                       'tag_title'  Credits
                                             'bpm'  91.846
                                    'search_title'  'credits':1
                                   'search_artist'  'daau':1
                                  'search_release'  'ghost':1 'tracks':2
                                     'search_rest'  '2004':5 'country':4 'exotica':2 'experimental':9 'free':11 'jazz':1 'jb':7 'newer':8 'oldies':3 'or':10 'prerock':6
                                    'search_combo'  '2004':9 'country':8 'credits':1A 'daau':2B 'exotica':6 'experimental':13 'free':15 'ghost':3C 'jazz':5 'jb':11 'newer':12 'oldies':7 'or':14 'prerock':10 'tracks':4C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['belgium', 'alternative', 'jazz', 'experimental', 'belgian']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'jazz', 'rock', 'folk rock', 'modern classical', 'avantgarde', 'experimental']

============================== file details ==============================
                                           'mtime'  1620528413.7453468  (2021-05-09 04:46:53)
                             'size'  2913742