======================== unified (from filesystem) ========================
                                         'bitrate'  '131.454'
                                        'duration'  '212'
                                          'artist'  'Man or Astro-Man?'
                                     'text_people'  ''
                                         'release'  ('EEVIAC: Operational Index and Reference Guide, Including Other Modern '
 'Computational Devices')
                                           'title'  'Credits'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'indie', 'majors beloved fm', 'surf rock', 'instrumental', 'rock']"
                                     'discogstags'  "['surf', 'lo-fi', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '14'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '129'
                                             'key'  '10B'
                                        'acoustid'  '84133116-43d7-470c-ac6e-0838e1b7c94d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\x99\n\x00\x00'                  PRIV(owner='AverageLevel', data=b'\x99\n\x00\x00')
'PRIV:PeakValue:\x15j\x00\x00'                      PRIV(owner='PeakValue', data=b'\x15j\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)                     ('EEVIAC: Operational Index and Reference Guide, Including Other Modern '
 'Computational Devices')
'TBPM' (BPM (beats per minute))                     '129'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-05-31'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Credits'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Man or Astro-Man?'
'TPE2' (Band/orchestra/accompaniment)               'Man or Astro-Man?'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Epitaph Europe'
'TRCK' (Track number/Position in set)               '14/14'
'TSO2'                                              'Man or Astro-Man?'
'TSOP' (Performer sort order)                       'Man or Astro-Man?'
'TXXX:ASIN'                                         'B0000256LW'
'TXXX:Acoustid Id'                                  '84133116-43d7-470c-ac6e-0838e1b7c94d'
'TXXX:Artists'                                      'Man or Astro-Man?'
'TXXX:BARCODE'                                      '8714092656428'
'TXXX:CATALOGNUMBER'                                '6564-2'
'TXXX:MusicBrainz Album Artist Id'                  '28c5d97f-4321-4ef4-8ac2-d9d93b0eb16c'
'TXXX:MusicBrainz Album Id'                         '91121349-abd7-3d51-8495-a89113be5cf0'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '28c5d97f-4321-4ef4-8ac2-d9d93b0eb16c'
'TXXX:MusicBrainz Release Group Id'                 'cfa56519-7b24-3b96-a327-f987a878899e'
'TXXX:MusicBrainz Release Track Id'                 '45e62800-8f1b-323d-8ff0-d715c1bac343'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['surf', 'lo-fi', 'indie rock', 'rock']
'TXXX:lastfmtags'                                   ['surf', 'indie', 'majors beloved fm', 'surf rock', 'instrumental', 'rock']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'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'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.828794'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a9653509-c968-41a9-9f9f-270385a5dd2b')

========================== row from database ==========================
                                              'id'  1418920
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Man or astro man/(1999) EEVIAC/14 Automated Liner Notes Sequence.mp3
                                         'working'  None
                                         'bitrate'  131
                                    'duration_sec'  212
                                           'genre'  rock-pop-surf
                                        'filesize'  3568772
                                           'mtime'  1620737029
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner astro man (1999) 14 Automated Liner Notes Sequence rock pop surf
                                      'tag_artist'  Man or Astro-Man?
                                     'tag_release'  EEVIAC: Operational Index and Reference Guide, Including Other Modern Computational Devices
                                       'tag_title'  Credits
                                             'bpm'  129.0
                                    'search_title'  'credits':1
                                   'search_artist'  'astro':3 'astroman':5 'man':1,4 'or':2
                                  'search_release'  'and':5 'computational':12 'devices':13 'eeviac':1,2 'guide':7,8 'including':9 'index':4 'modern':11 'operational':3 'other':10 'reference':6
                                     'search_rest'  '1999':7,8 'astro':5 'automated':9 'garage':2 'liner':10 'man':6 'notes':11 'pop':14 'punk':1 'rock':13 'sequence':12 'stoner':4 'surf':3
                                    'search_combo'  '1999':26,27 'and':11C 'astro':4B,24 'astroman':6B 'automated':28 'computational':18C 'credits':1A 'devices':19C 'eeviac':7C,8C 'garage':21 'guide':13C,14C 'including':15C 'index':10C 'liner':29 'man':2B,5B,25 'modern':17C 'notes':30 'operational':9C 'or':3B 'other':16C 'pop':33 'punk':20 'reference':12C 'rock':32 'sequence':31 'stoner':23 'surf':22
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'indie', 'majors beloved fm', 'surf rock', 'instrumental', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['surf', 'lo-fi', 'indie rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620737028.8671544  (2021-05-11 14:43:48)
                             'size'  3568772