======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '310'
                                          'artist'  'Goldfrapp'
                                     'text_people'  ''
                                         'release'  'Felt Mountain'
                                           'title'  'Horse Tears'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['dance', 'sexy', 'female vocalists', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'leftfield', 'future jazz', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '142.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:S\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'S\r\x00\x00')
'PRIV:PeakValue:ó~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xf3~\x00\x00')
'TALB' (Album/Movie/Show title)                     'Felt Mountain'
'TBPM' (BPM (beats per minute))                     '142.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Horse Tears'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Goldfrapp'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'future jazz', 'downtempo']
'TXXX:lastfmtags'                                   ['dance', 'sexy', 'female vocalists', 'electronic', 'electronica']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.52 dB'
'TXXX:replaygain_track_peak'                        '0.701331'

========================== row from database ==========================
                                              'id'  1341522
                                            'path'  /data/Music/Bulk/00poprockelectronic/Goldfrapp/Felt Mountain/09 - Goldfrapp - Horse Tears.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  310
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  12415696
                                           'mtime'  1636911276
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 09 electronic trip hop downtempo acid jazz
                                      'tag_artist'  Goldfrapp
                                     'tag_release'  Felt Mountain
                                       'tag_title'  Horse Tears
                                             'bpm'  142.1
                                    'search_title'  'horse':1 'tears':2
                                   'search_artist'  'goldfrapp':1
                                  'search_release'  'felt':1 'mountain':2
                                     'search_rest'  '00poprockelectronic':1 'acid':6 'downtempo':5 'electronic':2 'hop':4 'jazz':7 'trip':3
                                    'search_combo'  '00poprockelectronic':6 'acid':11 'downtempo':10 'electronic':7 'felt':4C 'goldfrapp':3B 'hop':9 'horse':1A 'jazz':12 'mountain':5C 'tears':2A 'trip':8
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'sexy', 'female vocalists', 'electronic', 'electronica']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'leftfield', 'future jazz', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636911275.8561118  (2021-11-14 18:34:35)
                             'size'  12415696