======================== unified (from filesystem) ========================
                                         'bitrate'  '202.645'
                                        'duration'  '297'
                                          'artist'  'rod argent'
                                     'text_people'  ''
                                         'release'  'progsoup 5'
                                           'title'  'helpless'
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['zombie', 'piano', 'progressive rock', 'classical', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '60'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '91.103'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 5'
'TBPM' (BPM (beats per minute))                     '91.103'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'helpless'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'rod argent'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '60'
'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:lastfmtags'                                   ['zombie', 'piano', 'progressive rock', 'classical', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.818768'
'TXXX:tracknum'                                     '330'

========================== row from database ==========================
                                              'id'  1415359
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup5/330 rod argent - helpless.mp3
                                         'working'  None
                                         'bitrate'  202
                                    'duration_sec'  297
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7543753
                                           'mtime'  1620737683
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup5 330 rock cppex progressive
                                      'tag_artist'  rod argent
                                     'tag_release'  progsoup 5
                                       'tag_title'  helpless
                                             'bpm'  91.103
                                    'search_title'  'helpless':1
                                   'search_artist'  'argent':2 'rod':1
                                  'search_release'  '5':2 'progsoup':1
                                     'search_rest'  '330':4 'classicprogpsy':1 'cppex':6 'progressive':7 'progsoup':2 'progsoup5':3 'rock':5
                                    'search_combo'  '330':9 '5':5C 'argent':3B 'classicprogpsy':6 'cppex':11 'helpless':1A 'progressive':12 'progsoup':4C,7 'progsoup5':8 'rock':10 'rod':2B
                                    'tag_tracknum'  60
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['zombie', 'piano', 'progressive rock', 'classical', 'rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737682.849826  (2021-05-11 14:54:42)
                             'size'  7543753