======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '198'
                                          'artist'  'Daniel Santos'
                                     'text_people'  'Daniel Santos'
                                         'release'  'Sonora Matancera presenta a ...'
                                           'title'  'Escribeme'
                                           'quals'  ("['Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['puerto rico', 'latin', 'bolero']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'B06'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'loc-puertorico;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '123.482'
                                             'key'  '2A'
                                        '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 \x00 \x001\x008\x009\x002\x002\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x003\x004\x006\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x005\x003\x001\x008\x003\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x008\x009\x002\x002\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x003\x004\x006\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x005\x003\x001\x008\x003\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ÿ-(¶îG\x98H\x88n6åÍv\x13w'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xff-(\xb6\xeeG\x98H\x88n6\xe5\xcdv\x13w')
'PRIV:WM/WMCollectionID:ÿ-(¶îG\x98H\x88n6åÍv\x13w'  PRIV(owner='WM/WMCollectionID', data=b'\xff-(\xb6\xeeG\x98H\x88n6\xe5\xcdv\x13w')
'PRIV:WM/WMContentID:\x13º\x9ęüßF½°\x15\x9bÌÖY¿'  PRIV(owner='WM/WMContentID', data=b'\x13\xba\x9e\xcc\xa8\xfc\xdfF\xbd\xb0\x15\x9b\xcc\xd6Y\xbf')
'TALB' (Album/Movie/Show title)                     'Sonora Matancera presenta a ...'
'TBPM' (BPM (beats per minute))                     '123.482'
'TCOM' (Composer)                                   'Daniel Santos'
'TCON' (Content type, a.k.a. Genre)                 ['loc-puertorico', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'Winamp 5.541'
'TIT2' (Title/songname/content description)         'Escribeme'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Daniel Santos'
'TPE2' (Band/orchestra/accompaniment)               'Daniel Santos'
'TPUB' (Publisher)                                  'Yoyo USA'
'TRCK' (Track number/Position in set)               'B06'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['puerto rico', 'latin', 'bolero']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.91 dB'
'TXXX:replaygain_track_peak'                        '0.508358'

========================== row from database ==========================
                                              'id'  660165
                                            'path'  /data/Music/Bulk/00localcharacter/16 la sonora matancera - presenta a daniel santos (1950)/B06 - Escribeme.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  198
                                           'genre'  loc-puertorico;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  7930774
                                           'mtime'  1620347956
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 16 la sonora matancera daniel santos (1950) B06 loc puertorico;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Daniel Santos
                                     'tag_release'  Sonora Matancera presenta a ...
                                       'tag_title'  Escribeme
                                             'bpm'  123.482
                                    'search_title'  'escribeme':1
                                   'search_artist'  'daniel':1 'santos':2
                                  'search_release'  'a':4 'matancera':2 'presenta':3 'sonora':1
                                     'search_rest'  '1950':6,7 'b06':8 'daniel':4 'la':1 'loc':9 'matancera':3 'mor':19 'pl':14 'puertorico':10,12 'santos':5 'set':11,13,16,18 'shirleyspinoza':15,17 'sonora':2
                                    'search_combo'  '1950':13,14 'a':7C 'b06':15 'daniel':2B,11 'escribeme':1A 'la':8 'loc':16 'matancera':5C,10 'mor':26 'pl':21 'presenta':6C 'puertorico':17,19 'santos':3B,12 'set':18,20,23,25 'shirleyspinoza':22,24 'sonora':4C,9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['puerto rico', 'latin', 'bolero']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620347956.148668  (2021-05-07 02:39:16)
                             'size'  7930774