======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '33'
                                          'artist'  'Die Conrads und Dieter Sueverkruep'
                                     'text_people'  ''
                                         'release'  'Lehrlinge zusammenhalten'
                                           'title'  'Lehrlingsbilanz'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '17'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '121.264'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000011C 0000010D 0000068F'
'COMM:iTunNORM:eng'                                 (' 0000011C 0000010D 0000068F 00000534 00004DD9 00004DD9 00003BC2 00003B63 '
 '000040D1 000040D1')
'TALB' (Album/Movie/Show title)                     'Lehrlinge zusammenhalten'
'TBPM' (BPM (beats per minute))                     '121.264'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Lehrlingsbilanz'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Die Conrads und Dieter Sueverkruep'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14/17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:date'                                         '1969'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.86 dB'
'TXXX:replaygain_track_peak'                        '0.546182'

========================== row from database ==========================
                                              'id'  1386648
                                            'path'  /data/Music/Bulk/00localcharacter/Lehrlinge halten zusammen [Apprentices stick together]/14_-_Die_Conrads_und_Dieter_Sueverkruep_-_Lehrlingsbilanz.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  33
                                           'genre'  loc-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1220946
                                           'mtime'  1621629732
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [Apprentices stick together] 14_ _Die_Conrads_und_Dieter_Sueverkruep_ _Lehrlingsbilanz loc unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Die Conrads und Dieter Sueverkruep
                                     'tag_release'  Lehrlinge zusammenhalten
                                       'tag_title'  Lehrlingsbilanz
                                             'bpm'  121.264
                                    'search_title'  'lehrlingsbilanz':1
                                   'search_artist'  'conrads':2 'die':1 'dieter':4 'sueverkruep':5 'und':3
                                  'search_release'  'lehrlinge':1 'zusammenhalten':2
                                     'search_rest'  '14':6 'apprentices':1,2 'conrads':8 'die':7 'dieter':10 'lehrlingsbilanz':12 'loc':13 'mor':23 'pl':18 'set':15,17,20,22 'shirleyspinoza':19,21 'stick':3 'sueverkruep':11 'together':4,5 'und':9 'unsorted':14,16
                                    'search_combo'  '14':14 'apprentices':9,10 'conrads':3B,16 'die':2B,15 'dieter':5B,18 'lehrlinge':7C 'lehrlingsbilanz':1A,20 'loc':21 'mor':31 'pl':26 'set':23,25,28,30 'shirleyspinoza':27,29 'stick':11 'sueverkruep':6B,19 'together':12,13 'und':4B,17 'unsorted':22,24 'zusammenhalten':8C
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629731.7497652  (2021-05-21 22:42:11)
                             'size'  1220946