======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '228'
                                          'artist'  'Bob und Eddy / Tom-Terry-Trio / Peter Alexander & Bill Ramsey'
                                     'text_people'  ''
                                         'release'  'Mit Tomahawk und Friedenspfeife'
                                           'title'  ('Mr. Brown aus Dixie Town / O Susanna / Missouri Cowboy (Du mubt dein Pferd '
 'verkaufen)')
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-2', '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '131.584'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'TALB' (Album/Movie/Show title)                     'Mit Tomahawk und Friedenspfeife'
'TBPM' (BPM (beats per minute))                     '131.584'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         ('Mr. Brown aus Dixie Town / O Susanna / Missouri Cowboy (Du mubt dein Pferd '
 'verkaufen)')
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob und Eddy / Tom-Terry-Trio / Peter Alexander & Bill Ramsey'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.632191'

========================== row from database ==========================
                                              'id'  1333520
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/323_11_Mit_Tomahawk_und_Friedenspfeife.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  228
                                           'genre'  electronic-unsorted
                                        'filesize'  7504187
                                           'mtime'  1620565362
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 323_11_Mit_Tomahawk_und_Friedenspfeife electronic unsorted
                                      'tag_artist'  Bob und Eddy / Tom-Terry-Trio / Peter Alexander & Bill Ramsey
                                     'tag_release'  Mit Tomahawk und Friedenspfeife
                                       'tag_title'  Mr. Brown aus Dixie Town / O Susanna / Missouri Cowboy (Du mubt dein Pferd verkaufen)
                                             'bpm'  131.584
                                    'search_title'  'aus':4 'brown':3 'cowboy':10 'dein':14 'dixie':5 'du':11,12 'missouri':9 'mr':1,2 'mubt':13 'o':7 'pferd':15 'susanna':8 'town':6 'verkaufen':16,17
                                   'search_artist'  'alexander':9 'bill':10 'bob':1 'eddy':3 'peter':8 'ramsey':11 'terry':5 'tom':4 'tomterrytrio':7 'trio':6 'und':2
                                  'search_release'  'friedenspfeife':4 'mit':1 'tomahawk':2 'und':3
                                     'search_rest'  '00poprockelectronic':1 '11':3 '323':2 'electronic':8 'friedenspfeife':7 'mit':4 'tomahawk':5 'und':6 'unsorted':9
                                    'search_combo'  '00poprockelectronic':33 '11':35 '323':34 'alexander':26B 'aus':4A 'bill':27B 'bob':18B 'brown':3A 'cowboy':10A 'dein':14A 'dixie':5A 'du':11A,12A 'eddy':20B 'electronic':40 'friedenspfeife':32C,39 'missouri':9A 'mit':29C,36 'mr':1A,2A 'mubt':13A 'o':7A 'peter':25B 'pferd':15A 'ramsey':28B 'susanna':8A 'terry':22B 'tom':21B 'tomahawk':30C,37 'tomterrytrio':24B 'town':6A 'trio':23B 'und':19B,31C,38 'unsorted':41 'verkaufen':16A,17A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620565362.325385  (2021-05-09 15:02:42)
                             'size'  7504187