======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '210'
                                          'artist'  'Ajda Pekkan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'pop', 'turkish pop', 'turkish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'loc-m-turkey'
                                             'bpm'  '110.003'
                                             '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')
'TBPM' (BPM (beats per minute))                     '110.003'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-turkey'
'TDRC' (Recording time)                             '1975'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ajda Pekkan'
'TPE2' (Band/orchestra/accompaniment)               'Ajda Pekkan'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['female vocalists', 'pop', 'turkish pop', 'turkish']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.609953'

========================== row from database ==========================
                                              'id'  1398997
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/ajda pekkan/ajda pekkan - viens dans ma vie.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  210
                                           'genre'  loc-m-turkey
                                        'filesize'  5055762
                                           'mtime'  1620527124
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east ajda pekkan ajda pekkan viens dans ma vie loc m turkey
                                      'tag_artist'  Ajda Pekkan
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  110.003
                                    'search_title'  None
                                   'search_artist'  'ajda':1 'pekkan':2
                                  'search_release'  
                                     'search_rest'  '00south':1 'ajda':5 'dans':8 'east':4 'europe':2 'loc':11 'm':12 'ma':9 'middle':3 'pekkan':6 'turkey':13 'vie':10 'viens':7
                                    'search_combo'  '00south':3 'ajda':1B,7 'dans':10 'east':6 'europe':4 'loc':13 'm':14 'ma':11 'middle':5 'pekkan':2B,8 'turkey':15 'vie':12 'viens':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-piano-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'pop', 'turkish pop', 'turkish']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527123.7401066  (2021-05-09 04:25:23)
                             'size'  5055762