======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '231'
                                          'artist'  'Modern Talking'
                                     'text_people'  ''
                                         'release'  'The Best Of Modern Talking'
                                           'title'  'Atlantis Is Calling (S.o.s. Fo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'dance', 'german', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '113.453'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Best Of Modern Talking'
'TBPM' (BPM (beats per minute))                     '113.453'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Atlantis Is Calling (S.o.s. Fo'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Modern Talking'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'dance', 'german', 'pop', 'disco']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.599338'

========================== row from database ==========================
                                              'id'  1346560
                                            'path'  /data/Music/Bulk/00poprockelectronic/Modern Talking/The Best Of Modern Talking__MBZ;#Modern Talking;#The Best Of Modern Talking;#09;#Atlantis Is Calling (S.o.s. For Love).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  231
                                           'genre'  electronic-unsorted
                                        'filesize'  3710522
                                           'mtime'  1621696471
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Talking__MBZ;#Modern Talking;#The Talking;#09;#Atlantis For Love) electronic unsorted
                                      'tag_artist'  Modern Talking
                                     'tag_release'  The Best Of Modern Talking
                                       'tag_title'  Atlantis Is Calling (S.o.s. Fo
                                             'bpm'  113.453
                                    'search_title'  'atlantis':1 'calling':3 'fo':8 'is':2 'o':5 's':4,6 'sos':7
                                   'search_artist'  'modern':1 'talking':2
                                  'search_release'  'best':2 'modern':4 'of':3 'talking':5 'the':1
                                     'search_rest'  '00poprockelectronic':1 '09':13,16 'atlantis':14,17 'electronic':21 'for':18 'love':19,20 'mbz':3,6 'modern':4,7 'talking':2,5,8,10,12,15 'the':9,11 'unsorted':22
                                    'search_combo'  '00poprockelectronic':16 '09':28,31 'atlantis':1A,29,32 'best':12C 'calling':3A 'electronic':36 'fo':8A 'for':33 'is':2A 'love':34,35 'mbz':18,21 'modern':9B,14C,19,22 'o':5A 'of':13C 's':4A,6A 'sos':7A 'talking':10B,15C,17,20,23,25,27,30 'the':11C,24,26 'unsorted':37
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'dance', 'german', 'pop', 'disco']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696470.7887216  (2021-05-22 17:14:30)
                             'size'  3710522