======================== unified (from filesystem) ========================
                                         'bitrate'  '181.076'
                                        'duration'  '317'
                                          'artist'  'RJD2'
                                     'text_people'  ''
                                         'release'  'Deadringer'
                                           'title'  'Ghostwriter'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic', 'hip hop', 'instrumental', 'downtempo', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '16'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  ('hip hop or rnb or rap or turntablism;electronic-trip hop or downtempo or '
 'acid jazz')
                                             'bpm'  '93.846'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'COMM:ID3v1 Comment:XXX'                            'Chillout; Summer; Driving; P'
'COMM:Songs-DB_Custom1:eng'                         '2000s'
'COMM:Songs-DB_Custom2:eng'                         'Horns; Dj; Beautiful; Brass'
'COMM:Songs-DB_Custom3:eng'                         'American'
'COMM:Songs-DB_Occasion:eng'                        'Chillout; Summer; Driving; Party'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Deadringer'
'TBPM' (BPM (beats per minute))                     '93.846'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism',
 'electronic-trip hop or downtempo or acid jazz']
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Ghostwriter'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'RJD2'
'TPE2' (Band/orchestra/accompaniment)               'RJD2'
'TPUB' (Publisher)                                  'Play It Again Sam'
'TRCK' (Track number/Position in set)               '6/16'
'TSOP' (Performer sort order)                       'RJD2'
'TXXX:ALBUMARTISTSORT'                              'RJD2'
'TXXX:ASIN'                                         'B000068QSF'
'TXXX:BARCODE'                                      '600308885820'
'TXXX:CATALOGNUMBER'                                '088.0035.020'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '101,210'
'TXXX:MusicBrainz Album Artist Id'                  '1a120ec5-35b3-4f3e-aa49-7201550d9feb'
'TXXX:MusicBrainz Album Id'                         '2daaa522-477c-4d6d-bf43-f9a6afc2e795'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1a120ec5-35b3-4f3e-aa49-7201550d9feb'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'instrumental', 'downtempo', 'hip hop']
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.470197'

========================== row from database ==========================
                                              'id'  1298133
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/RJD2__Deadringer__cifsc20e.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  317
                                           'genre'  hip hop or rnb or rap or turntablism;electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7225603
                                           'mtime'  1636911449
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] RJD2__Deadringer__cifsc20e hip hop or rnb or rap or turntablism;electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  RJD2
                                     'tag_release'  Deadringer
                                       'tag_title'  Ghostwriter
                                             'bpm'  93.846
                                    'search_title'  'ghostwriter':1
                                   'search_artist'  'rjd2':1
                                  'search_release'  'deadringer':1
                                     'search_rest'  '00poprockelectronic':1 'acid':21 'cifsc20e':9 'deadringer':8 'downtempo':20 'electronic':16,18 'files':5,6 'hip':10 'hop':11 'jazz':22 'loose':3,4 'or':12 'rap':14 'rjd2':7 'rnb':13 'trip':19 'turntablism':15,17 'unsorted':2
                                    'search_combo'  '00poprockelectronic':4 'acid':24 'cifsc20e':12 'deadringer':3C,11 'downtempo':23 'electronic':19,21 'files':8,9 'ghostwriter':1A 'hip':13 'hop':14 'jazz':25 'loose':6,7 'or':15 'rap':17 'rjd2':2B,10 'rnb':16 'trip':22 'turntablism':18,20 'unsorted':5
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'electronic', 'hip hop']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'hip hop', 'instrumental', 'downtempo', 'hip hop']

============================== file details ==============================
                                           'mtime'  1636911448.8519728  (2021-11-14 18:37:28)
                             'size'  7225603