======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '182'
                                          'artist'  'Comedian Harmonists'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Das Ist Die Liebe Der Matrosen'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'a cappella', 'a capella', 'oldies', 'deutsch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1931'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '128.089'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:]\r\x00\x00'                     PRIV(owner='AverageLevel', data=b']\r\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')
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '128.089'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1931'
'TIT2' (Title/songname/content description)         'Das Ist Die Liebe Der Matrosen'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Comedian Harmonists'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'a cappella', 'a capella', 'oldies', 'deutsch']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.96 dB'
'TXXX:replaygain_track_peak'                        '0.710587'

========================== row from database ==========================
                                              'id'  948947
                                            'path'  /data/Music/Bulk/sns/das-ist-die-liebe-der-matrosen.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  182
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2919035
                                           'mtime'  1642095609
                                   'redo_metaread'  0
                                        'rest_str'   sns das die liebe der matrosen set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Comedian Harmonists
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Das Ist Die Liebe Der Matrosen
                                             'bpm'  128.089
                                    'search_title'  'das':1 'der':5 'die':3 'ist':2 'liebe':4 'matrosen':6
                                   'search_artist'  'comedian':1 'harmonists':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'das':2 'der':5 'die':3 'liebe':4 'matrosen':6 'mor':13 'pl':8 'set':7,10,12 'shirleyspinoza':9,11 'sns':1
                                    'search_combo'  'comedian':7B 'das':1A,12 'der':5A,15 'die':3A,13 'harmonists':8B 'ist':2A 'liebe':4A,14 'matrosen':6A,16 'mor':23 'pl':18 'set':17,20,22 'shirley':9C 'shirleyspinoza':19,21 'sns':11 'spinoza':10C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['german', 'a cappella', 'a capella', 'oldies', 'deutsch']
                                        'tag_date'  1931
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095608.6749885  (2022-01-13 18:40:08)
                             'size'  2919035