======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '138'
                                          'artist'  'Irving Joseph'
                                     'text_people'  ''
                                         'release'  'Crime Jazz - Music In The First Degree'
                                           'title'  'Stool Pigeon'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['modern classical', 'jazz', 'space age pop', 'crime jazz', 'o']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '18'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '113.263'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000516 00000662 0000640B 000062E7 00010C5E 00015D63 000071E3 00007174 '
 '00019C58 00019139')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007A4 00000000005D51CC 00000000 0043A3EC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Crime Jazz - Music In The First Degree'
'TBPM' (BPM (beats per minute))                     '113.263'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1997'
'TENC' (Encoded by)                                 'iTunes 9.2.1'
'TIT2' (Title/songname/content description)         'Stool Pigeon'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Irving Joseph'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4/18'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['modern classical', 'jazz', 'space age pop', 'crime jazz', 'o']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.526115'

========================== row from database ==========================
                                              'id'  675837
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va ~ crime jazz - music in the first degree/04 Stool Pigeon.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  138
                                           'genre'  soundtrack-video
                                        'filesize'  4441786
                                           'mtime'  1620331672
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va ~ crime jazz music the first degree 04 soundtrack video
                                      'tag_artist'  Irving Joseph
                                     'tag_release'  Crime Jazz - Music In The First Degree
                                       'tag_title'  Stool Pigeon
                                             'bpm'  113.263
                                    'search_title'  'pigeon':2 'stool':1
                                   'search_artist'  'irving':1 'joseph':2
                                  'search_release'  'crime':1 'degree':7 'first':6 'in':4 'jazz':2 'music':3 'the':5
                                     'search_rest'  'country':4 'crime':6 'degree':10 'exotica':2 'first':9 'jazz':1 'music':7 'oldies':3 'soundtrack':11 'the':8 'va':5 'video':12
                                    'search_combo'  'country':15 'crime':5C,17 'degree':11C,21 'exotica':13 'first':10C,20 'in':8C 'irving':3B 'jazz':6C,12 'joseph':4B 'music':7C,18 'oldies':14 'pigeon':2A 'soundtrack':22 'stool':1A 'the':9C,19 'va':16 'video':23
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['modern classical', 'jazz', 'space age pop', 'crime jazz', 'o']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620331671.9611073  (2021-05-06 22:07:51)
                             'size'  4441786