======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '195'
                                          'artist'  'Interpol'
                                     'text_people'  ''
                                         'release'  'Lehrlinge zusammenhalten'
                                           'title'  'Ich bin so gluecklich'
                                           'quals'  ("['Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'post punk', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '17'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '134.824'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000012C 00000153 0000076D'
'COMM:iTunNORM:eng'                                 (' 0000012C 00000153 0000076D 0000071F 00024A1E 00024A1E 00002B1A 00002CA0 '
 '000138AE 000186CE')
'TALB' (Album/Movie/Show title)                     'Lehrlinge zusammenhalten'
'TBPM' (BPM (beats per minute))                     '134.824'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Ich bin so gluecklich'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Interpol'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10/17'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:date'                                         '1969'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'post punk', 'indie rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.74 dB'
'TXXX:replaygain_track_peak'                        '0.485257'

========================== row from database ==========================
                                              'id'  1381735
                                            'path'  /data/Music/Bulk/00localcharacter/Lehrlinge halten zusammen [Apprentices stick together]/10_-_Interpol_-_Ich_bin_so_gluecklich.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  loc-unsorted
                                        'filesize'  5107121
                                           'mtime'  1620401184
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [Apprentices stick together] 10_ _Interpol_ _Ich_bin_so_gluecklich loc unsorted
                                      'tag_artist'  Interpol
                                     'tag_release'  Lehrlinge zusammenhalten
                                       'tag_title'  Ich bin so gluecklich
                                             'bpm'  134.824
                                    'search_title'  'bin':2 'gluecklich':4 'ich':1 'so':3
                                   'search_artist'  'interpol':1
                                  'search_release'  'lehrlinge':1 'zusammenhalten':2
                                     'search_rest'  '10':6 'apprentices':1,2 'bin':9 'gluecklich':11 'ich':8 'interpol':7 'loc':12 'so':10 'stick':3 'together':4,5 'unsorted':13
                                    'search_combo'  '10':13 'apprentices':8,9 'bin':2A,16 'gluecklich':4A,18 'ich':1A,15 'interpol':5B,14 'lehrlinge':6C 'loc':19 'so':3A,17 'stick':10 'together':11,12 'unsorted':20 'zusammenhalten':7C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'post punk', 'indie rock', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401184.145917  (2021-05-07 17:26:24)
                             'size'  5107121