======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '252'
                                          'artist'  'Art Of Fresh'
                                     'text_people'  'Art of Fresh'
                                         'release'  'Back to Earth'
                                           'title'  'Back to the Earth'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['hip-hop', 'jazz hop', 'neo-soul', 'hip hop', 'fresh']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '85.345'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000574 00000000 00002812'
'COMM:iTunNORM:eng'                                 (' 00000574 00000000 00002812 00000000 0001ADDE 00000000 00008000 00000000 '
 '00009C85 00000000')
'PRIV:\x01ÿþ:'                                      PRIV(owner='\x01ÿþ', data=b'')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMContentID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMContentID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:ZuneCollectionID:\x866\x1c\x16\x98ú+H³Ly,L\x7f#\x1e'  PRIV(owner='ZuneCollectionID', data=b'\x866\x1c\x16\x98\xfa+H\xb3Ly,L\x7f#\x1e')
'TALB' (Album/Movie/Show title)                     'Back to Earth'
'TBPM' (BPM (beats per minute))                     '85.345'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'Free Mp3 Wma Converter'
'TIT2' (Title/songname/content description)         'Back to the Earth'
'TKEY' (Initial key)                                '9A'
'TOPE' (Original artist(s)/performer(s))            'Art of Fresh'
'TPE1' (Lead performer(s)/Soloist(s))               'Art of Fresh'
'TPE2' (Band/orchestra/accompaniment)               'Art Of Fresh'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2'
'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:lastfmtags'                                   ['hip-hop', 'jazz hop', 'neo-soul', 'hip hop', 'fresh']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.548476'

========================== row from database ==========================
                                              'id'  770688
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Art of Fresh - BACK TO THE EARTH.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  252
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6079711
                                           'mtime'  1620586865
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism of BACK TO THE EARTH hip hop or rnb or rap or turntablism
                                      'tag_artist'  Art Of Fresh
                                     'tag_release'  Back to Earth
                                       'tag_title'  Back to the Earth
                                             'bpm'  85.345
                                    'search_title'  'back':1 'earth':4 'the':3 'to':2
                                   'search_artist'  'art':1 'fresh':3 'of':2
                                  'search_release'  'back':1 'earth':3 'to':2
                                     'search_rest'  'back':6 'earth':9 'hip':10 'hiphop':1 'hop':11 'of':5 'or':12 'rap':2 'rnb':3 'the':8 'to':7 'turntablism':4
                                    'search_combo'  'art':5B 'back':1A,8C,16 'earth':4A,10C,19 'fresh':7B 'hip':20 'hiphop':11 'hop':21 'of':6B,15 'or':22 'rap':12 'rnb':13 'the':3A,18 'to':2A,9C,17 'turntablism':14
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', '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-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'jazz hop', 'neo-soul', 'hip hop', 'fresh']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586865.417318  (2021-05-09 21:01:05)
                             'size'  6079711