======================== unified (from filesystem) ========================
                                         'bitrate'  '171.159'
                                        'duration'  '365'
                                          'artist'  'Hvelderlin'
                                     'text_people'  ''
                                         'release'  'Progsoup 28'
                                           'title'  'Caleidoscope'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '85.997'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Progsoup 28'
'TBPM' (BPM (beats per minute))                     '85.997'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Caleidoscope'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hvelderlin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'TXXX:'                                             'Tagged by Zortam Mp3 Media Studio'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.81 dB'
'TXXX:replaygain_track_peak'                        '0.468547'

========================== row from database ==========================
                                              'id'  1416266
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 28/1578 Höelderlin - Caleidoscope.mp3
                                         'working'  None
                                         'bitrate'  171
                                    'duration_sec'  365
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7873470
                                           'mtime'  1620737041
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1578 Höelderlin rock cppex progressive
                                      'tag_artist'  Hvelderlin
                                     'tag_release'  Progsoup 28
                                       'tag_title'  Caleidoscope
                                             'bpm'  85.997
                                    'search_title'  'caleidoscope':1
                                   'search_artist'  'hvelderlin':1
                                  'search_release'  '28':2 'progsoup':1
                                     'search_rest'  '1578':3 'classicprogpsy':1 'cppex':7 'hoelderlin':4,5 'progressive':8 'progsoup':2 'rock':6
                                    'search_combo'  '1578':7 '28':4C 'caleidoscope':1A 'classicprogpsy':5 'cppex':11 'hoelderlin':8,9 'hvelderlin':2B 'progressive':12 'progsoup':3C,6 'rock':10
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737040.5100498  (2021-05-11 14:44:00)
                             'size'  7873470