======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '209'
                                          'artist'  'Sofia Vembo'
                                     'text_people'  ''
                                         'release'  'Tango Oriental'
                                           'title'  "Oso S'aghapo Dhe M'aghapas"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['greek', 'elafra', 'palia', 'tango', 'greece']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '143.619'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:É\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xc9\x17\x00\x00')
'PRIV:PeakValue:Æy\x00\x00'                         PRIV(owner='PeakValue', data=b'\xc6y\x00\x00')
'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')
'TALB' (Album/Movie/Show title)                     'Tango Oriental'
'TBPM' (BPM (beats per minute))                     '143.619'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         "Oso S'aghapo Dhe M'aghapas"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sofia Vembo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['greek', 'elafra', 'palia', 'tango', 'greece']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+1.62 dB'
'TXXX:replaygain_track_peak'                        '0.400008'

========================== row from database ==========================
                                              'id'  1515844
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/v.a. - [1999] - Tango Oriental/07 Sofia Vembo - Oso S_aghapo Dhe M_aghapas.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  209
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  4191221
                                           'mtime'  1620528176
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia v.a. [1999] 07 S_aghapo M_aghapas loc style tango or milonga
                                      'tag_artist'  Sofia Vembo
                                     'tag_release'  Tango Oriental
                                       'tag_title'  Oso S'aghapo Dhe M'aghapas
                                             'bpm'  143.619
                                    'search_title'  'aghapas':7 'aghapo':3 'dhe':5 'm':6 'maghapas':8 'oso':1 's':2 'saghapo':4
                                   'search_artist'  'sofia':1 'vembo':2
                                  'search_release'  'oriental':2 'tango':1
                                     'search_rest'  '00asia':1 '1999':5,6 'a':3 'aghapas':10 'aghapo':8 'loc':11 'm':9 'milonga':15 'or':14 's':7 'style':12 'tango':13 'v':2 'va':4
                                    'search_combo'  '00asia':13 '1999':17,18 'a':15 'aghapas':7A,22 'aghapo':3A,20 'dhe':5A 'loc':23 'm':6A,21 'maghapas':8A 'milonga':27 'or':26 'oriental':12C 'oso':1A 's':2A,19 'saghapo':4A 'sofia':9B 'style':24 'tango':11C,25 'v':14 'va':16 'vembo':10B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['greek', 'elafra', 'palia', 'tango', 'greece']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528175.9711154  (2021-05-09 04:42:55)
                             'size'  4191221