======================== unified (from filesystem) ========================
                                         'bitrate'  '320.095'
                                        'duration'  '171'
                                          'artist'  'Kraftwerk'
                                     'text_people'  ''
                                         'release'  'Ralf & Florian'
                                           'title'  'Tongebirge'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'electronica', 'electro', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '6'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '145.5'
                                             'key'  '3A'
                                        'acoustid'  '79e86f40-a081-43f4-b1f8-321a0dc477bd'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'6\x00+\x009\x006\x00+\x004\x00D\x00E\x006\x00+\x008\x000\x004\x005\x00+\x00E\x00F\x003\x003\x00+\x001\x003\x000\x00B\x000\x00+\x001\x00A\x004\x00F\x00F\x00+\x002\x009\x009\x00C\x005\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:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x004\x002\x006\x002\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x007\x000\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x005\x004\x003\x000\x004\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x004\x002\x006\x002\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x007\x000\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x005\x004\x003\x000\x004\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x10\x042ãà1ëC«&J\x17ô1$\x0f'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x10\x042\xe3\xe01\xebC\xab&J\x17\xf41$\x0f')
'PRIV:WM/WMCollectionID:\x10\x042ãà1ëC«&J\x17ô1$\x0f'  PRIV(owner='WM/WMCollectionID', data=b'\x10\x042\xe3\xe01\xebC\xab&J\x17\xf41$\x0f')
'PRIV:WM/WMContentID:?¹\x9e<\x9eøìJ¯(\x1aÖM\x9c\x80¢'  PRIV(owner='WM/WMContentID', data=b'?\xb9\x9e<\x9e\xf8\xecJ\xaf(\x1a\xd6M\x9c\x80\xa2')
'TALB' (Album/Movie/Show title)                     'Ralf & Florian'
'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Tongebirge'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Kraftwerk'
'TPE2' (Band/orchestra/accompaniment)               'Kraftwerk'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Crown Records'
'TRCK' (Track number/Position in set)               '2/6'
'TSO2'                                              'Kraftwerk'
'TSOP' (Performer sort order)                       'Kraftwerk'
'TXXX:Acoustid Id'                                  '79e86f40-a081-43f4-b1f8-321a0dc477bd'
'TXXX:CATALOGNUMBER'                                'CR 0425-2'
'TXXX:MusicBrainz Album Artist Id'                  '5700dcd4-c139-4f31-aa3e-6382b9af9032'
'TXXX:MusicBrainz Album Id'                         'a66b7e56-b3cc-3ad9-90bf-723be72af134'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5700dcd4-c139-4f31-aa3e-6382b9af9032'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:lastfmtags'                                   ['german', 'electronica', 'electro', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '0.421010'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2e462b9c-d70a-4e86-93fa-3988788882ff')

========================== row from database ==========================
                                              'id'  1371140
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kraftwerk - 1973 Ralf & Florian/02 Tongebirge.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  171
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  6953470
                                           'mtime'  1628353785
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1973 02 electronic electropop synthpop
                                      'tag_artist'  Kraftwerk
                                     'tag_release'  Ralf & Florian
                                       'tag_title'  Tongebirge
                                             'bpm'  145.5
                                    'search_title'  'tongebirge':1
                                   'search_artist'  'kraftwerk':1
                                  'search_release'  'florian':2 'ralf':1
                                     'search_rest'  '00poprockelectronic':1 '1973':2 'electronic':3 'electropop':4 'synthpop':5
                                    'search_combo'  '00poprockelectronic':5 '1973':6 'electronic':7 'electropop':8 'florian':4C 'kraftwerk':2B 'ralf':3C 'synthpop':9 'tongebirge':1A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['german', 'electronica', 'electro', 'electronic', 'synthpop']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1628353784.7951906  (2021-08-07 18:29:44)
                             'size'  6953470