======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '201'
                                          'artist'  'Muenchner Songgruppe'
                                     'text_people'  ''
                                         'release'  'Lehrlinge zusammenhalten'
                                           'title'  'Lehrlinge zusammenhalten'
                                           'quals'  ("['Q-JZFKS-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '17'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '134.110'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000114 0000013C 00000934'
'COMM:iTunNORM:eng'                                 (' 00000114 0000013C 00000934 000006F6 0000C37E 0001D4D7 00002DDD 000034F5 '
 '0002983E 00029855')
'TALB' (Album/Movie/Show title)                     'Lehrlinge zusammenhalten'
'TBPM' (BPM (beats per minute))                     '134.110'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Lehrlinge zusammenhalten'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Muenchner Songgruppe'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15/17'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:date'                                         '1969'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.51 dB'
'TXXX:replaygain_track_peak'                        '0.680255'

========================== row from database ==========================
                                              'id'  1385048
                                            'path'  /data/Music/Bulk/00localcharacter/Lehrlinge halten zusammen [Apprentices stick together]/15_-_Muenchner_Songgruppe_-_Lehrlinge_zusammenhalten.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  201
                                           'genre'  loc-unsorted
                                        'filesize'  5261326
                                           'mtime'  1620401190
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [Apprentices stick together] 15_ _Muenchner_Songgruppe_ _Lehrlinge_zusammenhalten loc unsorted
                                      'tag_artist'  Muenchner Songgruppe
                                     'tag_release'  Lehrlinge zusammenhalten
                                       'tag_title'  Lehrlinge zusammenhalten
                                             'bpm'  134.11
                                    'search_title'  'lehrlinge':1 'zusammenhalten':2
                                   'search_artist'  'muenchner':1 'songgruppe':2
                                  'search_release'  'lehrlinge':1 'zusammenhalten':2
                                     'search_rest'  '15':6 'apprentices':1,2 'lehrlinge':9 'loc':11 'muenchner':7 'songgruppe':8 'stick':3 'together':4,5 'unsorted':12 'zusammenhalten':10
                                    'search_combo'  '15':12 'apprentices':7,8 'lehrlinge':1A,5C,15 'loc':17 'muenchner':3B,13 'songgruppe':4B,14 'stick':9 'together':10,11 'unsorted':18 'zusammenhalten':2A,6C,16
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401190.1342163  (2021-05-07 17:26:30)
                             'size'  5261326