======================== unified (from filesystem) ========================
                                         'bitrate'  '127.987'
                                        'duration'  '254'
                                          'artist'  'Michalis Batrinos'
                                     'text_people'  ''
                                         'release'  'Miserlou'
                                           'title'  'Mousourlou'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['misirlou', 'greek', 'rebetiko', 'mondiovision']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '110.967'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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)                     'Miserlou'
'TBPM' (BPM (beats per minute))                     '110.967'
'TCON' (Content type, a.k.a. Genre)                 ['set-cover or covered-styled',
 'set-cover or covered-styled',
 'set-cover or covered']
'TDRC' (Recording time)                             '1930'
'TIT2' (Title/songname/content description)         'Mousourlou'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Michalis Batrinos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['misirlou', 'greek', 'rebetiko', 'mondiovision']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.740981'
'WXXX:'                                             WXXX(encoding=<Encoding.UTF16: 1>, desc='', url='http://www.dinosaurgardens.com/')

========================== row from database ==========================
                                              'id'  1288624
                                            'path'  /data/Music/Bulk/00poprockelectronic/Versions - MISIRLOU/1930. Michalis Batrinos - Mousourlou.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  254
                                           'genre'  set-cover or covered-styled;set-cover or covered
                                        'filesize'  4147664
                                           'mtime'  1638544577
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Versions MISIRLOU 1930. set cover or covered styled;set cover or covered
                                      'tag_artist'  Michalis Batrinos
                                     'tag_release'  Miserlou
                                       'tag_title'  Mousourlou
                                             'bpm'  110.967
                                    'search_title'  'mousourlou':1
                                   'search_artist'  'batrinos':2 'michalis':1
                                  'search_release'  'miserlou':1
                                     'search_rest'  '00poprockelectronic':1 '1930':4,5 'cover':7 'covered':9 'misirlou':3 'or':8 'set':6,11,13 'styled':10,12 'versions':2
                                    'search_combo'  '00poprockelectronic':5 '1930':8,9 'batrinos':3B 'cover':11 'covered':13 'michalis':2B 'miserlou':4C 'misirlou':7 'mousourlou':1A 'or':12 'set':10,15,17 'styled':14,16 'versions':6
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['misirlou', 'greek', 'rebetiko', 'mondiovision']
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638544577.157379  (2021-12-03 16:16:17)
                             'size'  4147664