======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '208'
                                          'artist'  'Linkin Park'
                                     'text_people'  'Chester Bennington/Linkin Park/Mike Shinoda'
                                         'release'  'Minutes To Midnight'
                                           'title'  "What I've Done"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'nu metal', 'emo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '120'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'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/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x000\x004\x001\x003\x007\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x004\x007\x000\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x005\x004\x009\x006\x003\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x000\x004\x001\x003\x007\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x004\x007\x000\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x005\x004\x009\x006\x003\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Í]DêàÕÇB¶Y\x86uÕbï³'   PRIV(owner='WM/WMCollectionGroupID', data=b'\xcd]D\xea\xe0\xd5\xc7B\xb6Y\x86u\xd5b\xef\xb3')
'PRIV:WM/WMCollectionID:Í]DêàÕÇB¶Y\x86uÕbï³'        PRIV(owner='WM/WMCollectionID', data=b'\xcd]D\xea\xe0\xd5\xc7B\xb6Y\x86u\xd5b\xef\xb3')
'PRIV:WM/WMContentID:\x8eÒ\x8fw¬\tVH¿Â`ð£flÍ'       PRIV(owner='WM/WMContentID', data=b'\x8e\xd2\x8fw\xac\tVH\xbf\xc2`\xf0\xa3fl\xcd')
'TALB' (Album/Movie/Show title)                     'Minutes To Midnight'
'TBPM' (BPM (beats per minute))                     '120'
'TCOM' (Composer)                                   'Chester Bennington/Linkin Park/Mike Shinoda'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         "What I've Done"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Linkin Park'
'TPE2' (Band/orchestra/accompaniment)               'Linkin Park'
'TPUB' (Publisher)                                  'Warner Bros.'
'TRCK' (Track number/Position in set)               '6'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.97, 224 Kbit/s, Joint Stereo, High quality'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'nu metal', 'emo']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.355305'

========================== row from database ==========================
                                              'id'  1506936
                                            'path'  /data/Music/Bulk/00poprockelectronic/Linkin Park/Minutes To Midnight/06-What I_ve Done.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  208
                                           'genre'  eid-metal-nu
                                        'filesize'  5857899
                                           'mtime'  1620311144
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06 I_ve eid metal
                                      'tag_artist'  Linkin Park
                                     'tag_release'  Minutes To Midnight
                                       'tag_title'  What I've Done
                                             'bpm'  120.0
                                    'search_title'  'done':5 'i':2 'ive':4 've':3 'what':1
                                   'search_artist'  'linkin':1 'park':2
                                  'search_release'  'midnight':3 'minutes':1 'to':2
                                     'search_rest'  '00poprockelectronic':1 'eid':4 'i':2 'metal':5 've':3
                                    'search_combo'  '00poprockelectronic':11 'done':5A 'eid':14 'i':2A,12 'ive':4A 'linkin':6B 'metal':15 'midnight':10C 'minutes':8C 'park':7B 'to':9C 've':3A,13 'what':1A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'alternative rock', 'nu metal', 'emo']

============================== file details ==============================
                                           'mtime'  1620311143.559365  (2021-05-06 16:25:43)
                             'size'  5857899