======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '334'
                                          'artist'  '[unknown] - Sublime Frequencies'
                                     'text_people'  ''
                                         'release'  'Radio Pyongyang: Commie Funk And Agit Pop From The Hermit Kingdom'
                                           'title'  "Start 'em Young"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '125.315'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001afb 00001c9e 0000fe5f'
'COMM:iTunNORM:eng'                                 (' 00001afb 00001c9e 0000fe5f 00013c68 00024a1e 00024a1e 00007cbd 00007e12 '
 '0002e65e 0004e245')
'TALB' (Album/Movie/Show title)                     'Radio Pyongyang: Commie Funk And Agit Pop From The Hermit Kingdom'
'TBPM' (BPM (beats per minute))                     '125.315'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "Start 'em Young"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '334550'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown] - Sublime Frequencies'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Sublime Frequencies'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.64 dB'
'TXXX:replaygain_track_peak'                        '0.363810'

========================== row from database ==========================
                                              'id'  1516181
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/VA - Radio Pyongyang Commie Funk and Agit Pop from the Hermit Kingdom - SF023/05 Start _em Young.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  334
                                           'genre'  loc-asia
                                        'filesize'  8031253
                                           'mtime'  1652397821
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia VA and from the SF023 05 _em loc asia
                                      'tag_artist'  [unknown] - Sublime Frequencies
                                     'tag_release'  Radio Pyongyang: Commie Funk And Agit Pop From The Hermit Kingdom
                                       'tag_title'  Start 'em Young
                                             'bpm'  125.315
                                    'search_title'  'em':2,3 'start':1 'young':4
                                   'search_artist'  'frequencies':4 'sublime':3 'unknown':1,2
                                  'search_release'  'agit':7 'and':6 'commie':4 'from':9 'funk':5 'hermit':11 'kingdom':12 'pop':8 'pyongyang':2,3 'radio':1 'the':10
                                     'search_rest'  '00asia':1 'and':3 'asia':9 'em':7 'from':4 'loc':8 'sf023':6 'the':5 'va':2
                                    'search_combo'  '00asia':21 'agit':15C 'and':14C,23 'asia':29 'commie':12C 'em':2A,3A,27 'frequencies':8B 'from':17C,24 'funk':13C 'hermit':19C 'kingdom':20C 'loc':28 'pop':16C 'pyongyang':10C,11C 'radio':9C 'sf023':26 'start':1A 'sublime':7B 'the':18C,25 'unknown':5B,6B 'va':22 'young':4A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397820.9415243  (2022-05-13 01:23:40)
                             'size'  8031253