======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '259'
                                          'artist'  'Bonobo'
                                     'text_people'  ''
                                         'release'  'Black Sands'
                                           'title'  'We Could Forever'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '117.059'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Black Sands'
'TBPM' (BPM (beats per minute))                     '117.059'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'We Could Forever'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bonobo'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ninja Tune'
'TRCK' (Track number/Position in set)               '6'
'TSOP' (Performer sort order)                       'Bonobo'
'TXXX:ASIN'                                         'B0035UHJCE'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.28 dB'
'TXXX:replaygain_track_peak'                        '0.450720'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N21Q203698300V9822AD818B6B10F7F90556A65F614BF1DDP3\x00')

========================== row from database ==========================
                                              'id'  1324455
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Bonobo/(2010) Black Sands/06 - We Could Forever.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  259
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  10436272
                                           'mtime'  1636910342
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip (2010) 06 electronic trip hop downtempo acid jazz
                                      'tag_artist'  Bonobo
                                     'tag_release'  Black Sands
                                       'tag_title'  We Could Forever
                                             'bpm'  117.059
                                    'search_title'  'could':2 'forever':3 'we':1
                                   'search_artist'  'bonobo':1
                                  'search_release'  'black':1 'sands':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '2010':3,4 'acid':9 'downtempo':8 'electronic':5 'hop':7 'jazz':10 'trip':6
                                    'search_combo'  '00poprockelectronic':7 '00trip':8 '2010':9,10 'acid':15 'black':5C 'bonobo':4B 'could':2A 'downtempo':14 'electronic':11 'forever':3A 'hop':13 'jazz':16 'sands':6C 'trip':12 'we':1A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910341.7906864  (2021-11-14 18:19:01)
                             'size'  10436272