======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '61'
                                          'artist'  'Kurt Vile'
                                     'text_people'  ''
                                         'release'  'Smoke Ring for My Halo'
                                           'title'  '(Shell Blues)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'bedroom pop', 'psychedelic', 'singer songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-shoegaze or dreampop'
                                             'bpm'  '115.195'
                                             'key'  '2B'
                                        'acoustid'  'ad9750c7-ce45-4f3d-8f6a-b7a85ff4ea6c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Smoke Ring for My Halo'
'TBPM' (BPM (beats per minute))                     '115.195'
'TCON' (Content type, a.k.a. Genre)                 'electronic-shoegaze or dreampop'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-03-07'
'TIT2' (Title/songname/content description)         '(Shell Blues)'
'TKEY' (Initial key)                                '2B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Kurt Vile'
'TPE2' (Band/orchestra/accompaniment)               'Kurt Vile'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Matador'
'TRCK' (Track number/Position in set)               '11/12'
'TSO2'                                              'Vile, Kurt'
'TSOP' (Performer sort order)                       'Vile, Kurt'
'TXXX:Acoustid Id'                                  'ad9750c7-ce45-4f3d-8f6a-b7a85ff4ea6c'
'TXXX:MusicBrainz Album Artist Id'                  'e07a111e-4e8a-4651-a849-01ac60551ab2'
'TXXX:MusicBrainz Album Id'                         '02e2a5a9-840d-48af-863c-7c256292ed21'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e07a111e-4e8a-4651-a849-01ac60551ab2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'lo fi', 'bedroom pop', 'psychedelic', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.514040'

========================== row from database ==========================
                                              'id'  1324444
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Kurt Vile - Smoke Ring For My Halo (2011)/11. Kurt Vile - Shell Blues.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  61
                                           'genre'  electronic-shoegaze or dreampop
                                        'filesize'  4780266
                                           'mtime'  1636910051
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock For (2011) 11. electronic shoegaze dreampop
                                      'tag_artist'  Kurt Vile
                                     'tag_release'  Smoke Ring for My Halo
                                       'tag_title'  (Shell Blues)
                                             'bpm'  115.195
                                    'search_title'  'blues':3,4 'shell':1,2
                                   'search_artist'  'kurt':1 'vile':2
                                  'search_release'  'for':3 'halo':5 'my':4 'ring':2 'smoke':1
                                     'search_rest'  '00poprockelectronic':1 '11':7,8 '2011':5,6 'dreampop':11 'electronic':9 'for':4 'indierock':3 'poprock':2 'shoegaze':10
                                    'search_combo'  '00poprockelectronic':12 '11':18,19 '2011':16,17 'blues':3A,4A 'dreampop':22 'electronic':20 'for':9C,15 'halo':11C 'indierock':14 'kurt':5B 'my':10C 'poprock':13 'ring':8C 'shell':1A,2A 'shoegaze':21 'smoke':7C 'vile':6B
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lo fi', 'bedroom pop', 'psychedelic', 'singer songwriter']
                                        'tag_date'  2011
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636910051.004647  (2021-11-14 18:14:11)
                             'size'  4780266