======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '823'
                                          'artist'  'Slagsmålsklubben'
                                     'text_people'  ''
                                         'release'  'Boss for Leader'
                                           'title'  'Pälsmästaren'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', 'bitpop', 'blipblop', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '152'
                                             'key'  '7B'
                                        'acoustid'  '22695e88-b545-450b-8502-1384229ba8da'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x009\x006\x00+\x004\x008\x00B\x004\x00+\x00B\x002\x00E\x00E\x00+\x00F\x008\x003\x00A\x00+\x001\x005\x009\x004\x004\x00+\x001\x00A\x001\x000\x00F\x00+\x001\x00E\x005\x00A\x00D\x00+\x002\x001\x00F\x000\x004\x00+\x002\x007\x004\x006\x008\x00+\x002\x00D\x00A\x003\x000\x00+\x003\x00C\x00B\x00A\x004\x00\x00\x00')
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=255, count=0)
'PRIV:AverageLevel:{\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1d\x00\x00')
'PRIV:PeakValue:!}\x00\x00'                         PRIV(owner='PeakValue', data=b'!}\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:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\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:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMContentID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Boss for Leader'
'TBPM' (BPM (beats per minute))                     '152'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'Magijo AKA Joe DiMaggio'
'TIT2' (Title/songname/content description)         'Pälsmästaren'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '824146'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Slagsmålsklubben'
'TPE2' (Band/orchestra/accompaniment)               'Slagsmålsklubben'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'EMI Music Sweden AB'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              'Slagsmålsklubben'
'TSOP' (Performer sort order)                       'Slagsmålsklubben'
'TXXX:ASIN'                                         'B000OXEQEY'
'TXXX:Acoustid Id'                                  '22695e88-b545-450b-8502-1384229ba8da'
'TXXX:Artists'                                      'Slagsmålsklubben'
'TXXX:BARCODE'                                      '094639176601'
'TXXX:CATALOGNUMBER'                                '0946 391766 01'
'TXXX:MusicBrainz Album Artist Id'                  '3869dbb7-da0c-455f-ad74-332a9d35d016'
'TXXX:MusicBrainz Album Id'                         'c98a6b0b-dc91-431c-9be1-bbbc74833642'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3869dbb7-da0c-455f-ad74-332a9d35d016'
'TXXX:MusicBrainz Release Group Id'                 '5debaca5-c80a-3928-8e74-b11067731273'
'TXXX:MusicBrainz Release Track Id'                 '28aa52f6-fc71-3c4f-bc1e-02cf08d498be'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['swedish', 'bitpop', 'blipblop', 'electronic', 'synthpop']
'TXXX:originalyear'                                 '2007'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.659704'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1957d7c2-1621-4c22-bc35-e21c1168327d')

========================== row from database ==========================
                                              'id'  1319639
                                            'path'  /data/Music/Bulk/00poprockelectronic/Slagsmalsklubben/Boss For Leader/10 Pälsmästaren.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  823
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  33016503
                                           'mtime'  1620572106
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Slagsmalsklubben For 10 electronic we beeps chip pico
                                      'tag_artist'  Slagsmålsklubben
                                     'tag_release'  Boss for Leader
                                       'tag_title'  Pälsmästaren
                                             'bpm'  152.0
                                    'search_title'  'palsmastaren':1,2
                                   'search_artist'  'slagsmalsklubben':1,2
                                  'search_release'  'boss':1 'for':2 'leader':3
                                     'search_rest'  '00poprockelectronic':1 'beeps':6 'chip':7 'electronic':4 'for':3 'pico':8 'slagsmalsklubben':2 'we':5
                                    'search_combo'  '00poprockelectronic':8 'beeps':13 'boss':5C 'chip':14 'electronic':11 'for':6C,10 'leader':7C 'palsmastaren':1A,2A 'pico':15 'slagsmalsklubben':3B,4B,9 'we':12
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['swedish', 'bitpop', 'blipblop', 'electronic', 'synthpop']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572106.070198  (2021-05-09 16:55:06)
                             'size'  33016503