======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '133'
                                          'artist'  'Taraf de Haidouks & Viorica Rudareasa'
                                     'text_people'  'Sapo Perapaskero'
                                         'release'  'Suburban Bucharest'
                                           'title'  'Taraf de Haidouks & Viorica Rudareasa'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gypsy', 'balkan', 'folk', 'romanian', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '134.4'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x005\x001\x000\x002\x00+\x008\x002\x008\x006\x00+\x00E\x001\x00C\x001\x00+\x001\x001\x00F\x008\x00D\x00+\x001\x005\x008\x00A\x007\x00+\x001\x007\x00E\x009\x00E\x00+\x001\x00B\x000\x006\x008\x00+\x001\x00E\x00C\x002\x00C\x00+\x002\x001\x002\x003\x00A\x00+\x002\x005\x00A\x009\x006\x00+\x002\x00B\x00F\x004\x009\x00+\x002\x00E\x006\x006\x006\x00+\x003\x001\x007\x006\x002\x00+\x003\x006\x00A\x008\x007\x00+\x003\x00A\x002\x00C\x006\x00+\x003\x00E\x00C\x00D\x003\x00+\x004\x008\x008\x006\x00D\x00+\x004\x00B\x001\x00C\x006\x00\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')
'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:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x009\x001\x009\x009\x004\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x001\x007\x004\x008\x003\x001\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x009\x005\x007\x008\x009\x007\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x009\x001\x009\x009\x004\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x001\x007\x004\x008\x003\x001\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x009\x005\x007\x008\x009\x007\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMCollectionID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMContentID:\x8e\x86û»"\'°A®\x94\x9d·(nh\x1c'  PRIV(owner='WM/WMContentID', data=b'\x8e\x86\xfb\xbb"\'\xb0A\xae\x94\x9d\xb7(nh\x1c')
'TALB' (Album/Movie/Show title)                     'Suburban Bucharest'
'TBPM' (BPM (beats per minute))                     '134.4'
'TCOM' (Composer)                                   'Sapo Perapaskero'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Taraf de Haidouks & Viorica Rudareasa'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '133506'
'TPE1' (Lead performer(s)/Soloist(s))               'Taraf de Haidouks & Viorica Rudareasa'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Trikont'
'TRCK' (Track number/Position in set)               '12'
'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'                                   ['gypsy', 'balkan', 'folk', 'romanian', 'world']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.364101'

========================== row from database ==========================
                                              'id'  1365355
                                            'path'  /data/Music/Bulk/00localcharacter/Taraf de Haidouks & Viorica Rudareasa - suburban bucharest - mahala sounds from romania/12-Dumbala Dumba.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  133
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  2202636
                                           'mtime'  1620529155
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter suburban bucharest mahala sounds from romania 12 Dumbala Dumba loc style gypsy balkan klezmer;mi brass
                                      'tag_artist'  Taraf de Haidouks & Viorica Rudareasa
                                     'tag_release'  Suburban Bucharest
                                       'tag_title'  Taraf de Haidouks & Viorica Rudareasa
                                             'bpm'  134.4
                                    'search_title'  'de':2 'haidouks':3 'rudareasa':5 'taraf':1 'viorica':4
                                   'search_artist'  'de':2 'haidouks':3 'rudareasa':5 'taraf':1 'viorica':4
                                  'search_release'  'bucharest':2 'suburban':1
                                     'search_rest'  'balkan':12 'brass':17 'bucharest':2 'dumba':8 'dumbala':7 'from':5 'gypsy':11 'klezmer':13,15 'loc':9 'mahala':3 'mi':14,16 'romania':6 'sounds':4 'style':10 'suburban':1
                                    'search_combo'  'balkan':24 'brass':29 'bucharest':12C,14 'de':2A,7B 'dumba':20 'dumbala':19 'from':17 'gypsy':23 'haidouks':3A,8B 'klezmer':25,27 'loc':21 'mahala':15 'mi':26,28 'romania':18 'rudareasa':5A,10B 'sounds':16 'style':22 'suburban':11C,13 'taraf':1A,6B 'viorica':4A,9B
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gypsy', 'balkan', 'folk', 'romanian', 'world']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529155.1992407  (2021-05-09 04:59:15)
                             'size'  2202636