======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '377'
                                          'artist'  'Akira Kiteshi'
                                     'text_people'  ''
                                         'release'  'Dubstep'
                                           'title'  "Boom N' Pow"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-4', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['dubstep', 'glitch', 'idm', 'electronic', 'bass']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-dubstep'
                                             'bpm'  '142.008'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000E27 00000E27 00007F6E 00007F6E 0002C88F 0002C88F 00008000 00008000 '
 '0000002E 0000002E')
'TALB' (Album/Movie/Show title)                     'Dubstep'
'TBPM' (BPM (beats per minute))                     '142.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-dubstep'
'TIT2' (Title/songname/content description)         "Boom N' Pow"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Akira Kiteshi'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dubstep', 'glitch', 'idm', 'electronic', 'bass']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.02 dB'
'TXXX:replaygain_track_peak'                        '0.391888'

========================== row from database ==========================
                                              'id'  1514477
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00dubstep/Akira Kiteshi - Boom N_ Pow.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  377
                                           'genre'  electronic-th-ent-dubstep
                                        'filesize'  6057692
                                           'mtime'  1621696374
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00dubstep N_ electronic th ent dubstep
                                      'tag_artist'  Akira Kiteshi
                                     'tag_release'  Dubstep
                                       'tag_title'  Boom N' Pow
                                             'bpm'  142.008
                                    'search_title'  'boom':1 'n':2,3 'pow':4
                                   'search_artist'  'akira':1 'kiteshi':2
                                  'search_release'  'dubstep':1
                                     'search_rest'  '00dubstep':5 '00poprockelectronic':1 'dance':3 'dubstep':10 'electronic':7 'ent':9 'generic':2 'n':6 'th':8 'trapbeat':4
                                    'search_combo'  '00dubstep':12 '00poprockelectronic':8 'akira':5B 'boom':1A 'dance':10 'dubstep':7C,17 'electronic':14 'ent':16 'generic':9 'kiteshi':6B 'n':2A,3A,13 'pow':4A 'th':15 'trapbeat':11
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dubstep', 'glitch', 'idm', 'electronic', 'bass']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696373.5537055  (2021-05-22 17:12:53)
                             'size'  6057692