======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '130'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Gangland War'
                                           'title'  "(Track 11 F. 'Gangland War • The World of Akira Kobayashi' JA '66-'71)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', '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-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '20'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '127.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000B64 00000000 00011B63 00000024 000009E5 00001729 00008932 00008557 '
 '0000D200 0000D200')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B34 000000000057783C 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '20+84FCE6950287EECCD1B9C4E154D4D28D+7538980'
'TALB' (Album/Movie/Show title)                     'Gangland War'
'TBPM' (BPM (beats per minute))                     '127.4'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.4'
'TIT2' (Title/songname/content description)         "(Track 11 F. 'Gangland War • The World of Akira Kobayashi' JA '66-'71)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '11/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.81 dB'
'TXXX:replaygain_track_peak'                        '1.082517'

========================== row from database ==========================
                                              'id'  1525578
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/• (Unk. Artist) - (Track 11 F. _Gangland War • The World of Akira Kobayashi_ JA _66-_71).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  130
                                           'genre'  funk or soul-funk
                                        'filesize'  2603493
                                           'mtime'  1620665622
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s (Unk. Artist) _Gangland Kobayashi_ _66 _71) funk soul funk
                                      'tag_artist'  [unknown]
                                     'tag_release'  Gangland War
                                       'tag_title'  (Track 11 F. 'Gangland War • The World of Akira Kobayashi' JA '66-'71)
                                             'bpm'  127.4
                                    'search_title'  '66':15 '6671':17 '71':16 'akira':11 'f':3,4 'gangland':5,6 'ja':14 'kobayashi':12,13 'of':10 'the':8 'track':1,2 'war':7 'world':9
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'gangland':1 'war':2
                                     'search_rest'  '66':14 '70':6 '71':15,16 'artist':10,11 'easy':4 'funk':2 'gangland':12 'instr':5 'kobayashi':13 's':7 'soul':3 'swing':1 'unk':8,9
                                    'search_combo'  '66':15A,35 '6671':17A '70':27 '71':16A,36,37 'akira':11A 'artist':31,32 'easy':25 'f':3A,4A 'funk':23 'gangland':5A,6A,20C,33 'instr':26 'ja':14A 'kobayashi':12A,13A,34 'of':10A 's':28 'soul':24 'swing':22 'the':8A 'track':1A,2A 'unk':29,30 'unknown':18B,19B 'war':7A,21C 'world':9A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665621.602291  (2021-05-10 18:53:41)
                             'size'  2603493