======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '1848'
                                          'artist'  'Arenna'
                                     'text_people'  ''
                                         'release'  'Beats of Olarizu'
                                           'title'  'Metamorphosis in Ic [0,9168 g/cm3]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['stoner rock', 'hard rock', 'psychedelic rock', 'psychedelic', 'stoner']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '9'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '103'
                                             'key'  '4A'
                                        'acoustid'  '5b5db528-7f56-4c39-8cae-41258ac9d7a4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beats of Olarizu'
'TBPM' (BPM (beats per minute))                     '103'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-04-20'
'TIT2' (Title/songname/content description)         'Metamorphosis in Ic [0,9168 g/cm3]'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Arenna'
'TPE2' (Band/orchestra/accompaniment)               'Arenna'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/9'
'TSO2'                                              'Arenna'
'TSOP' (Performer sort order)                       'Arenna'
'TXXX:Acoustid Id'                                  '5b5db528-7f56-4c39-8cae-41258ac9d7a4'
'TXXX:Artists'                                      'Arenna'
'TXXX:MusicBrainz Album Artist Id'                  '90706643-6be5-4741-8876-1825f59e21e7'
'TXXX:MusicBrainz Album Id'                         'b5d5eb91-43fc-4054-8057-77aba59eb754'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '90706643-6be5-4741-8876-1825f59e21e7'
'TXXX:MusicBrainz Release Group Id'                 '48ef0248-45ef-4941-872e-cb2ff4f6ecaf'
'TXXX:MusicBrainz Release Track Id'                 'c96bfb0c-2fc4-4b17-b3f4-4d143dd22f57'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['stoner rock', 'hard rock', 'psychedelic rock', 'psychedelic', 'stoner']
'TXXX:originalyear'                                 '2011'
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-10.78 dB'
'TXXX:replaygain_track_peak'                        '1.041887'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd108151d-e8d6-4315-b703-d9ee628f5fd3')

========================== row from database ==========================
                                              'id'  1412094
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Arenna - Beats Of Olarizu/06 - Metamorphosis in lc (0,9168 gcm).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  1848
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  74049536
                                           'mtime'  1620736105
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Of 06 lc (0,9168 gcm) rock cppex psychedelic
                                      'tag_artist'  Arenna
                                     'tag_release'  Beats of Olarizu
                                       'tag_title'  Metamorphosis in Ic [0,9168 g/cm3]
                                             'bpm'  103.0
                                    'search_title'  '0':4,6 '9168':5,7 'cm3':9 'g':8 'gcm3':10 'ic':3 'in':2 'metamorphosis':1
                                   'search_artist'  'arenna':1
                                  'search_release'  'beats':1 'of':2 'olarizu':3
                                     'search_rest'  '0':4,6 '9168':5,7 'classicprogpsy':1 'cppex':11 'gcm':8,9 'lc':3 'of':2 'psychedelic':12 'rock':10
                                    'search_combo'  '0':4A,6A,18,20 '9168':5A,7A,19,21 'arenna':11B 'beats':12C 'classicprogpsy':15 'cm3':9A 'cppex':25 'g':8A 'gcm':22,23 'gcm3':10A 'ic':3A 'in':2A 'lc':17 'metamorphosis':1A 'of':13C,16 'olarizu':14C 'psychedelic':26 'rock':24
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['stoner rock', 'hard rock', 'psychedelic rock', 'psychedelic', 'stoner']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736105.0180385  (2021-05-11 14:28:25)
                             'size'  74049536