======================== unified (from filesystem) ========================
                                         'bitrate'  '206.267'
                                        'duration'  '122'
                                          'artist'  'Man or Astro-Man?'
                                     'text_people'  ''
                                         'release'  ('EEVIAC: Operational Index and Reference Guide, Including Other Modern '
 'Computational Devices')
                                           'title'  'U-235 / PU-239'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'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'  '3'
                                      'tracktotal'  '14'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '117.6'
                                             'key'  '4A'
                                        'acoustid'  'fdf3b84e-1661-4123-902c-2c681e2a8cb0'
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)                     ('EEVIAC: Operational Index and Reference Guide, Including Other Modern '
 'Computational Devices')
'TBPM' (BPM (beats per minute))                     '117.6'
'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)         'U-235 / PU-239'
'TKEY' (Initial key)                                '4A'
'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)               '3/14'
'TSO2'                                              'Man or Astro-Man?'
'TSOP' (Performer sort order)                       'Man or Astro-Man?'
'TXXX:ASIN'                                         'B0000256LW'
'TXXX:Acoustid Id'                                  'fdf3b84e-1661-4123-902c-2c681e2a8cb0'
'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'                 'd4290e3c-6fce-3eca-996a-c80398fd50d5'
'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'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.341321'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a40e7fe2-c62f-40af-a57e-01d0b5e4c526')

========================== row from database ==========================
                                              'id'  1417844
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Man or astro man/(1999) EEVIAC/03 U-235 , PU-239.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  122
                                           'genre'  rock-pop-surf
                                        'filesize'  3228230
                                           'mtime'  1620737023
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner astro man (1999) 03 rock pop surf
                                      'tag_artist'  Man or Astro-Man?
                                     'tag_release'  EEVIAC: Operational Index and Reference Guide, Including Other Modern Computational Devices
                                       'tag_title'  U-235 / PU-239
                                             'bpm'  117.6
                                    'search_title'  '235':2 '239':5 'pu':4 'pu239':6 'u':1 'u235':3
                                   '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 'garage':2 'man':6 'pop':10 'punk':1 'rock':9 'stoner':4 'surf':3
                                    'search_combo'  '1999':31,32 '235':2A '239':5A 'and':16C 'astro':9B,29 'astroman':11B 'computational':23C 'devices':24C 'eeviac':12C,13C 'garage':26 'guide':18C,19C 'including':20C 'index':15C 'man':7B,10B,30 'modern':22C 'operational':14C 'or':8B 'other':21C 'pop':34 'pu':4A 'pu239':6A 'punk':25 'reference':17C 'rock':33 'stoner':28 'surf':27 'u':1A 'u235':3A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', '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'  1620737022.9033768  (2021-05-11 14:43:42)
                             'size'  3228230