======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '243'
                                          'artist'  'Forhill'
                                     'text_people'  ''
                                         'release'  'Electronic Gems'
                                           'title'  'Odyssey'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', '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-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['instrumental', 'synthwave', 'chillsynth', 'chillwave', 'electronic']"
                                     'discogstags'  "['synthwave', 'downtempo', 'chillwave', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthwave or chillwave or retrowave'
                                             'bpm'  '98.1'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Electronic Gems'
'TBPM' (BPM (beats per minute))                     '98.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-synthwave or chillwave or retrowave'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Odyssey'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Forhill'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['synthwave', 'downtempo', 'chillwave', 'electronic']
'TXXX:lastfmtags'                                   ['instrumental', 'synthwave', 'chillsynth', 'chillwave', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.49 dB'
'TXXX:replaygain_track_peak'                        '0.560453'

========================== row from database ==========================
                                              'id'  1305634
                                            'path'  /data/Music/Bulk/00poprockelectronic/Electronic Gems/Forhill - Odyssey.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  243
                                           'genre'  electronic-we-synthwave or chillwave or retrowave
                                        'filesize'  3913796
                                           'mtime'  1620569221
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic we synthwave chillwave retrowave
                                      'tag_artist'  Forhill
                                     'tag_release'  Electronic Gems
                                       'tag_title'  Odyssey
                                             'bpm'  98.1
                                    'search_title'  'odyssey':1
                                   'search_artist'  'forhill':1
                                  'search_release'  'electronic':1 'gems':2
                                     'search_rest'  '00poprockelectronic':1 'chillwave':5 'electronic':2 'retrowave':6 'synthwave':4 'we':3
                                    'search_combo'  '00poprockelectronic':5 'chillwave':9 'electronic':3C,6 'forhill':2B 'gems':4C 'odyssey':1A 'retrowave':10 'synthwave':8 'we':7
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'synthwave', 'chillsynth', 'chillwave', 'electronic']
                                        'tag_date'  2015
                                     'discogstags'  ['synthwave', 'downtempo', 'chillwave', 'electronic']

============================== file details ==============================
                                           'mtime'  1620569221.066695  (2021-05-09 16:07:01)
                             'size'  3913796