======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '254'
                                          'artist'  'uriah heep / Uriah Heep'
                                     'text_people'  ''
                                         'release'  'Progsoup 37'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'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-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '34'
                                      'tracktotal'  '12'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '125.782'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['0',
 ' 00002A27 0000299F 00009CBA 00009CFD 00036C1F 0001A94E 00008E2B 00008E96 '
 '0001E61F 00020F58',
 ' 00000000 00000210 00000738 0000000000AB59B8 00000000 009B5344 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunes_CDDB_IDs:eng'                          '12++'
'TALB' (Album/Movie/Show title)                     'Progsoup 37'
'TBPM' (BPM (beats per minute))                     '125.782'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'iTunes 10.2.1.1'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'uriah heep / Uriah Heep'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '34/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:TITLE'                                        ["I'm ready", "I'm Ready"]
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.68 dB'
'TXXX:replaygain_track_peak'                        '0.331126'
'TXXX:tracknum'                                     '2165'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N11Q240603513V082166129BE5401A53F6F4922CBEA603C6P2\x00')

========================== row from database ==========================
                                              'id'  1502120
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 37/2165 uriah heep - I_m ready.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  254
                                           'genre'  rock-cppex-progressive
                                        'filesize'  10189961
                                           'mtime'  1620737288
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2165 I_m ready rock cppex progressive
                                      'tag_artist'  uriah heep / Uriah Heep
                                     'tag_release'  Progsoup 37
                                       'tag_title'  None
                                             'bpm'  125.782
                                    'search_title'  None
                                   'search_artist'  'heep':2 'uriah':1
                                  'search_release'  '37':2 'progsoup':1
                                     'search_rest'  '2165':3 'classicprogpsy':1 'cppex':8 'i':4 'm':5 'progressive':9 'progsoup':2 'ready':6 'rock':7
                                    'search_combo'  '2165':7 '37':4C 'classicprogpsy':5 'cppex':12 'heep':2B 'i':8 'm':9 'progressive':13 'progsoup':3C,6 'ready':10 'rock':11 'uriah':1B
                                    'tag_tracknum'  34
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-piano-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737287.5070214  (2021-05-11 14:48:07)
                             'size'  10189961