======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '203'
                                          'artist'  'Boston Bun'
                                     'text_people'  ''
                                         'release'  'Cozmoe 2'
                                           'title'  'Missing You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-OLDST-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['electronic', 'house', 'french', 'electro', 'france']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '126.1'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Cozmoe 2'
'TBPM' (BPM (beats per minute))                     '126.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'Missing You'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Boston Bun'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.19.100'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:compatible_brands'                            'isommp42'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'house', 'french', 'electro', 'france']
'TXXX:major_brand'                                  'mp42'
'TXXX:minor_version'                                '0'
'TXXX:original release date'                        ['2017', '2017']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.60 dB'
'TXXX:replaygain_track_peak'                        '0.580574'

========================== row from database ==========================
                                              'id'  1408023
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Cozmoe  - 2/Boston Bun - Missing You.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  203
                                           'genre'  electronic
                                        'filesize'  4898118
                                           'mtime'  1636912969
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat electronic
                                      'tag_artist'  Boston Bun
                                     'tag_release'  Cozmoe 2
                                       'tag_title'  Missing You
                                             'bpm'  126.1
                                    'search_title'  'missing':1 'you':2
                                   'search_artist'  'boston':1 'bun':2
                                  'search_release'  '2':2 'cozmoe':1
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':5 'generic':2 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':7 '2':6C 'boston':3B 'bun':4B 'cozmoe':5C 'dance':9 'electronic':11 'generic':8 'missing':1A 'trapbeat':10 'you':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'house', 'french', 'electro', 'france']
                                        'tag_date'  2017
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912968.7554555  (2021-11-14 19:02:48)
                             'size'  4898118