======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '419'
                                          'artist'  'Rechenzentrum'
                                     'text_people'  ''
                                         'release'  'The John Peel Session'
                                           'title'  'Vertikal'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-2', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['german', 'idm', 'electronic', 'experimental', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '10'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic;electronic-th-techno-minimal or deephouse'
                                             'bpm'  '111.578'
                                             'key'  '4A'
                                        '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')
'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 \x005\x005\x001\x003\x002\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x003\x001\x006\x005\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x000\x004\x009\x001\x003\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x005\x001\x003\x002\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x003\x001\x006\x005\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x000\x004\x009\x001\x003\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:¤qT\x1dCT(B¦\x1c\x9c\x9e@ßË°'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xa4qT\x1dCT(B\xa6\x1c\x9c\x9e@\xdf\xcb\xb0')
'PRIV:WM/WMCollectionID:¤qT\x1dCT(B¦\x1c\x9c\x9e@ßË°'  PRIV(owner='WM/WMCollectionID', data=b'\xa4qT\x1dCT(B\xa6\x1c\x9c\x9e@\xdf\xcb\xb0')
'PRIV:WM/WMContentID:uGÔ\x9cU\x1d\x96H¢¿\x8e\x88\x91ìéE'  PRIV(owner='WM/WMContentID', data=b'uG\xd4\x9cU\x1d\x96H\xa2\xbf\x8e\x88\x91\xec\xe9E')
'PRIV:ZuneAlbumArtistMediaID:\x00\x06\x96+\x00\x06Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumArtistMediaID', data=b'\x00\x06\x96+\x00\x06\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneCollectionID:pÕ\x1cÈ_yåF\x98«\x18G{ñ¿ÿ'   PRIV(owner='ZuneCollectionID', data=b'p\xd5\x1c\xc8_y\xe5F\x98\xab\x18G{\xf1\xbf\xff')
'PRIV:ZuneMediaID:\x00nv\x19\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneMediaID', data=b'\x00nv\x19\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'TALB' (Album/Movie/Show title)                     'The John Peel Session'
'TBPM' (BPM (beats per minute))                     '111.578'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'electronic-th-techno-minimal or deephouse']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-08-24'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['additional grand piano', 'Takashi Tazawa'], ['additional cello', 'Yosana Akiko'], ['additional violin', 'Yoshiyuki Taeko']])
'TIT2' (Title/songname/content description)         'Vertikal'
'TKEY' (Initial key)                                '4A'
'TLAN' (Language(s))                                'mul'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Rechenzentrum'
'TPE2' (Band/orchestra/accompaniment)               'Rechenzentrum'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Kitty-Yo'
'TRCK' (Track number/Position in set)               '8/10'
'TSRC' (ISRC (international standard recording code))  'DEQ330104708'
'TXXX:ALBUMARTISTSORT'                              'Rechenzentrum'
'TXXX:ASIN'                                         'B000BWNXNS'
'TXXX:BARCODE'                                      '881390174720'
'TXXX:CATALOGNUMBER'                                'KY01047CD'
'TXXX:MusicBrainz Album Artist Id'                  '1928bd00-5ccb-4dcb-809e-4d1af14bce44'
'TXXX:MusicBrainz Album Id'                         'f5269526-3341-4805-a44e-cddbdfbb8c61'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1928bd00-5ccb-4dcb-809e-4d1af14bce44'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['german', 'idm', 'electronic', 'experimental', 'minimal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.487376'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4e7820bf-a0a6-42e2-87f1-c43e82d0494a')

========================== row from database ==========================
                                              'id'  982913
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0calmer/Rechenzentrum/[2001] The John Peel Session/08 - Vertikal.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  419
                                           'genre'  electronic;electronic-th-techno-minimal or deephouse
                                        'filesize'  10081138
                                           'mtime'  1636912208
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0calmer [2001] 08 electronic;electronic th techno minimal or deephouse
                                      'tag_artist'  Rechenzentrum
                                     'tag_release'  The John Peel Session
                                       'tag_title'  Vertikal
                                             'bpm'  111.578
                                    'search_title'  'vertikal':1
                                   'search_artist'  'rechenzentrum':1
                                  'search_release'  'john':2 'peel':3 'session':4 'the':1
                                     'search_rest'  '0calmer':1 '2001':2,3 'deephouse':12 'electronic':4,5,6,7 'minimal':10 'or':11 'techno':9 'th':8
                                    'search_combo'  '0calmer':7 '2001':8,9 'deephouse':18 'electronic':10,11,12,13 'john':4C 'minimal':16 'or':17 'peel':5C 'rechenzentrum':2B 'session':6C 'techno':15 'th':14 'the':3C 'vertikal':1A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  4A
                                           '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-2', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'idm', 'electronic', 'experimental', 'minimal']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912208.1982434  (2021-11-14 18:50:08)
                             'size'  10081138