======================== unified (from filesystem) ========================
                                         'bitrate'  '320.028'
                                        'duration'  '664'
                                          'artist'  'sonic circus'
                                     'text_people'  ''
                                         'release'  'progsoup 51'
                                           'title'  ' by the heartshaped lake'
                                           '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-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '53'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '133.668'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x00\x01@cV\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x00\x01@cV\x00')
'TALB' (Album/Movie/Show title)                     'progsoup 51'
'TBPM' (BPM (beats per minute))                     '133.668'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         ' by the heartshaped lake'
'TKEY' (Initial key)                                '9A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'sonic circus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '53'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 --alt-preset cbr 320'
'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: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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.282799'

========================== row from database ==========================
                                              'id'  1409194
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 51/2925 sonic circus - by the heartshaped lake.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  664
                                           'genre'  rock-cppex-progressive
                                        'filesize'  26574973
                                           'mtime'  1620737545
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2925 rock cppex progressive
                                      'tag_artist'  sonic circus
                                     'tag_release'  progsoup 51
                                       'tag_title'   by the heartshaped lake
                                             'bpm'  133.668
                                    'search_title'  'by':1 'heartshaped':3 'lake':4 'the':2
                                   'search_artist'  'circus':2 'sonic':1
                                  'search_release'  '51':2 'progsoup':1
                                     'search_rest'  '2925':3 'classicprogpsy':1 'cppex':5 'progressive':6 'progsoup':2 'rock':4
                                    'search_combo'  '2925':11 '51':8C 'by':1A 'circus':6B 'classicprogpsy':9 'cppex':13 'heartshaped':3A 'lake':4A 'progressive':14 'progsoup':7C,10 'rock':12 'sonic':5B 'the':2A
                                    'tag_tracknum'  53
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', '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'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737544.611442  (2021-05-11 14:52:24)
                             'size'  26574973