======================== unified (from filesystem) ========================
                                         'bitrate'  '168.27'
                                        'duration'  '161'
                                          'artist'  'Orchestra Mucica Poesia'
                                     'text_people'  ''
                                         'release'  'french tanguerooo'
                                           'title'  'Tango De Mi Vida   xx'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '128.822'
                                             'key'  '7A'
                                        '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:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:D\x9fgf0?gOµ·÷6\x03\x12±"'  PRIV(owner='WM/WMCollectionGroupID', data=b'D\x9fgf0?gO\xb5\xb7\xf76\x03\x12\xb1"')
'PRIV:WM/WMCollectionID:D\x9fgf0?gOµ·÷6\x03\x12±"'  PRIV(owner='WM/WMCollectionID', data=b'D\x9fgf0?gO\xb5\xb7\xf76\x03\x12\xb1"')
'PRIV:WM/WMContentID:ñô\x9ci\x9cê\x0fF¦.ÝkUPa\xad'  PRIV(owner='WM/WMContentID', data=b'\xf1\xf4\x9ci\x9c\xea\x0fF\xa6.\xddkUPa\xad')
'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '128.822'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'FrenchTanguero'
'TIT2' (Title/songname/content description)         'Tango De Mi Vida   xx'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Orchestra Mucica Poesia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.619500'

========================== row from database ==========================
                                              'id'  922738
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/orchestra musica poesia - tango de mi vida.mp3
                                         'working'  None
                                         'bitrate'  168
                                    'duration_sec'  161
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  3391360
                                           'mtime'  1620528375
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter orchestra musica poesia tango de mi vida loc style tango or milonga
                                      'tag_artist'  Orchestra Mucica Poesia
                                     'tag_release'  french tanguerooo
                                       'tag_title'  Tango De Mi Vida   xx
                                             'bpm'  128.822
                                    'search_title'  'de':2 'mi':3 'tango':1 'vida':4 'xx':5
                                   'search_artist'  'mucica':2 'orchestra':1 'poesia':3
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'de':5 'loc':8 'mi':6 'milonga':11 'musica':2 'or':10 'orchestra':1 'poesia':3 'style':9 'tango':4 'vida':7
                                    'search_combo'  'de':2A,15 'french':9C 'loc':18 'mi':3A,16 'milonga':21 'mucica':7B 'musica':12 'or':20 'orchestra':6B,11 'poesia':8B,13 'style':19 'tango':1A,14 'tanguerooo':10C 'vida':4A,17 'xx':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528375.0149477  (2021-05-09 04:46:15)
                             'size'  3391360