======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '215'
                                          'artist'  'Madsen'
                                     'text_people'  'Sebastian Madsen'
                                         'release'  'Madsen'
                                           'title'  'Vielleicht'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'deutschrock', 'indie', 'alternative', 'rock']"
                                     'discogstags'  "['rock', 'pop rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '119.405'
                                             'key'  '9B'
                                        'acoustid'  '74057445-fe40-4141-a80b-8d44ad43d320'
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'B\x00+\x009\x006\x00+\x003\x00F\x00B\x002\x00+\x007\x002\x00F\x003\x00+\x00A\x00C\x00B\x002\x00+\x00F\x003\x00D\x006\x00+\x001\x001\x00D\x002\x00C\x00+\x001\x005\x00A\x008\x00C\x00+\x001\x009\x00A\x009\x009\x00+\x001\x00D\x008\x004\x00D\x00+\x002\x002\x000\x008\x00F\x00+\x002\x005\x00B\x009\x003\x00+\x002\x009\x004\x007\x007\x00\x00\x00')
'PRIV:AverageLevel:%!\x00\x00'                      PRIV(owner='AverageLevel', data=b'%!\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\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)                     'Madsen'
'TBPM' (BPM (beats per minute))                     '119.405'
'TCOM' (Composer)                                   'Sebastian Madsen'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-05-30'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['additional guitar', 'Michael Schulze']])
'TIT2' (Title/songname/content description)         'Vielleicht'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '215000'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Madsen'
'TPE2' (Band/orchestra/accompaniment)               'Madsen'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Vertigo'
'TRCK' (Track number/Position in set)               '1/11'
'TSO2'                                              'Madsen'
'TSOP' (Performer sort order)                       'Madsen'
'TSRC' (ISRC (international standard recording code))  'DEN120407725'
'TXXX:ASIN'                                         'B0009GV2BG'
'TXXX:Acoustid Id'                                  '74057445-fe40-4141-a80b-8d44ad43d320'
'TXXX:BARCODE'                                      '0602498714881'
'TXXX:CATALOGNUMBER'                                '9871488'
'TXXX:MusicBrainz Album Artist Id'                  '8a0c3b86-af55-42d2-85b9-6372e7430986'
'TXXX:MusicBrainz Album Id'                         '2364d652-d633-411a-8c90-b1b9a42ca85b'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8a0c3b86-af55-42d2-85b9-6372e7430986'
'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'                                  ['rock', 'pop rock', 'indie rock']
'TXXX:lastfmtags'                                   ['german', 'deutschrock', 'indie', 'alternative', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.46 dB'
'TXXX:replaygain_track_peak'                        '0.451735'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c46ef6d5-4da0-42e8-a4ec-8a7414b69a3f')

========================== row from database ==========================
                                              'id'  1377061
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Madsen/Madsen - Madsen/01 Vielleicht.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  215
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5165722
                                           'mtime'  1621697321
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 01 ifs songwriter indie rock
                                      'tag_artist'  Madsen
                                     'tag_release'  Madsen
                                       'tag_title'  Vielleicht
                                             'bpm'  119.405
                                    'search_title'  'vielleicht':1
                                   'search_artist'  'madsen':1
                                  'search_release'  'madsen':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':4 'ifs':7 'indie':9 'indierock':6 'madsen':2B,3C 'poprock':5 'rock':10 'songwriter':8 'vielleicht':1A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'deutschrock', 'indie', 'alternative', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'pop rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621697321.2753212  (2021-05-22 17:28:41)
                             'size'  5165722