======================== unified (from filesystem) ========================
                                         'bitrate'  '211.954'
                                        'duration'  '129'
                                          'artist'  'Casiotone for the Painfully Alone'
                                     'text_people'  ''
                                         'release'  'Advance Base Battery Life'
                                           'title'  'White on White'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indietronica', 'lo fi', 'electronic', 'indie pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '15'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '129'
                                             'key'  '8B'
                                        'acoustid'  '9d7f45b1-6148-459f-a44b-95060eadc7a0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Advance Base Battery Life'
'TBPM' (BPM (beats per minute))                     '129'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-03-10'
'TIT2' (Title/songname/content description)         'White on White'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Casiotone for the Painfully Alone'
'TPE2' (Band/orchestra/accompaniment)               'Casiotone for the Painfully Alone'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Tomlab'
'TRCK' (Track number/Position in set)               '4/15'
'TSO2'                                              'Casiotone for the Painfully Alone'
'TSOP' (Performer sort order)                       'Casiotone for the Painfully Alone'
'TXXX:ASIN'                                         'B001O1K86A'
'TXXX:Acoustid Id'                                  '9d7f45b1-6148-459f-a44b-95060eadc7a0'
'TXXX:Artists'                                      'Casiotone for the Painfully Alone'
'TXXX:BARCODE'                                      '656605672724'
'TXXX:CATALOGNUMBER'                                'TOM127'
'TXXX:MusicBrainz Album Artist Id'                  '73d882c7-1146-4012-a61b-a3b2c11fce2f'
'TXXX:MusicBrainz Album Id'                         'a6dfce60-5d93-41e1-ac8d-800ec477147b'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '73d882c7-1146-4012-a61b-a3b2c11fce2f'
'TXXX:MusicBrainz Release Group Id'                 'dc9f763f-86c7-3bcc-9a72-dbf81e60a34d'
'TXXX:MusicBrainz Release Track Id'                 '7dafe31b-aafd-3a8a-8219-cd650591cbca'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'indietronica', 'lo fi', 'electronic', 'indie pop']
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.46 dB'
'TXXX:replaygain_track_peak'                        '0.414564'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'64d363da-a5d9-4e51-97e9-1c58904044fe')

========================== row from database ==========================
                                              'id'  1299074
                                            'path'  /data/Music/Bulk/00poprockelectronic/Casiotone For The Painfully Alone/Advance Base Battery Life/04 white on white.mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  129
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  3473564
                                           'mtime'  1637330465
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic For The 04 white white ifs songwriter experimental
                                      'tag_artist'  Casiotone for the Painfully Alone
                                     'tag_release'  Advance Base Battery Life
                                       'tag_title'  White on White
                                             'bpm'  129.0
                                    'search_title'  'on':2 'white':1
                                   'search_artist'  'alone':5 'casiotone':1 'for':2 'painfully':4 'the':3
                                  'search_release'  'advance':1 'base':2 'battery':3 'life':4
                                     'search_rest'  '00poprockelectronic':1 'experimental':7 'for':2 'ifs':5 'songwriter':6 'the':3 'white':4
                                    'search_combo'  '00poprockelectronic':12 'advance':8C 'alone':7B 'base':9C 'battery':10C 'casiotone':3B 'experimental':18 'for':4B,13 'ifs':16 'life':11C 'on':2A 'painfully':6B 'songwriter':17 'the':5B,14 'white':1A,15
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indietronica', 'lo fi', 'electronic', 'indie pop']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330464.5412152  (2021-11-19 15:01:04)
                             'size'  3473564