======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '142'
                                          'artist'  'Ricardo Pedevilla'
                                     'text_people'  'Roberto Firpo'
                                         'release'  'french tanguerooo'
                                           'title'  'El Amanecer    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-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '124.011'
                                             'key'  '9B'
                                        '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 \x003\x007\x007\x005\x001\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x003\x001\x004\x008\x004\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x007\x007\x005\x001\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x003\x001\x004\x008\x004\x003\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:¸\x83Ò\x07©\x8aMA\x9aQs'ý`.¨"  PRIV(owner='WM/WMCollectionGroupID', data=b"\xb8\x83\xd2\x07\xa9\x8aMA\x9aQs'\xfd`.\xa8")
"PRIV:WM/WMCollectionID:¸\x83Ò\x07©\x8aMA\x9aQs'ý`.¨"  PRIV(owner='WM/WMCollectionID', data=b"\xb8\x83\xd2\x07\xa9\x8aMA\x9aQs'\xfd`.\xa8")
'PRIV:WM/WMContentID:8vHîÍ\x98è@½Y\x82,\x14xîÊ'     PRIV(owner='WM/WMContentID', data=b'8vH\xee\xcd\x98\xe8@\xbdY\x82,\x14x\xee\xca')
'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '124.011'
'TCOM' (Composer)                                   'Roberto Firpo'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'FrenchTanguero/mimmo'
'TIT2' (Title/songname/content description)         'El Amanecer    xx'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ricardo Pedevilla'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Blue Note'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.42 dB'
'TXXX:replaygain_track_peak'                        '0.657829'

========================== row from database ==========================
                                              'id'  923478
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/ricardo pedevilla - el amanecer.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  142
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  2850688
                                           'mtime'  1620528393
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter ricardo pedevilla el amanecer loc style tango or milonga
                                      'tag_artist'  Ricardo Pedevilla
                                     'tag_release'  french tanguerooo
                                       'tag_title'  El Amanecer    xx
                                             'bpm'  124.011
                                    'search_title'  'amanecer':2 'el':1 'xx':3
                                   'search_artist'  'pedevilla':2 'ricardo':1
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'amanecer':4 'el':3 'loc':5 'milonga':9 'or':8 'pedevilla':2 'ricardo':1 'style':6 'tango':7
                                    'search_combo'  'amanecer':2A,11 'el':1A,10 'french':6C 'loc':12 'milonga':16 'or':15 'pedevilla':5B,9 'ricardo':4B,8 'style':13 'tango':14 'tanguerooo':7C 'xx':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528393.3139575  (2021-05-09 04:46:33)
                             'size'  2850688