======================== unified (from filesystem) ========================
                                         'bitrate'  '194.869'
                                        'duration'  '208'
                                          'artist'  'Kansas'
                                     'text_people'  ''
                                         'release'  'progsoup 18'
                                           'title'  'Dust In The Wind'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['70s', 'rock', 'hard rock', 'progressive rock', 'classic rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-billboard'
                                             'bpm'  '95.169'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 18'
'TBPM' (BPM (beats per minute))                     '95.169'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-billboard']
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Dust In The Wind'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kansas'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['70s', 'rock', 'hard rock', 'progressive rock', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.47 dB'
'TXXX:replaygain_track_peak'                        '0.703058'

========================== row from database ==========================
                                              'id'  1413181
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 18/1004 Kansas - Dust In The Wind.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  208
                                           'genre'  rock-cppex-progressive;set-pl-billboard
                                        'filesize'  5091903
                                           'mtime'  1620736681
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 1004 rock cppex progressive;set pl billboard
                                      'tag_artist'  Kansas
                                     'tag_release'  progsoup 18
                                       'tag_title'  Dust In The Wind
                                             'bpm'  95.169
                                    'search_title'  'dust':1 'in':2 'the':3 'wind':4
                                   'search_artist'  'kansas':1
                                  'search_release'  '18':2 'progsoup':1
                                     'search_rest'  '1004':3 'billboard':11 'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'rock':4 'set':7,9
                                    'search_combo'  '1004':10 '18':7C 'billboard':18 'classicprogpsy':8 'cppex':12 'dust':1A 'in':2A 'kansas':5B 'pl':17 'progressive':13,15 'progsoup':6C,9 'rock':11 'set':14,16 'the':3A 'wind':4A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['70s', 'rock', 'hard rock', 'progressive rock', 'classic rock']
                                        'tag_date'  1977
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620736681.102798  (2021-05-11 14:38:01)
                             'size'  5091903