======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '399'
                                          'artist'  'matching mole'
                                     'text_people'  ''
                                         'release'  'Progsoup 25'
                                           'title'  'Smoke Signals'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic rock', 'canterbury', 'canterbury scene', 'jazz rock', "
 "'progressive rock', 'psychedelic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '36'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '138.607'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 25'
'TBPM' (BPM (beats per minute))                     '138.607'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Smoke Signals'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'matching mole'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '36'
'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'                                   ['psychedelic rock',
 'canterbury',
 'canterbury scene',
 'jazz rock',
 'progressive rock',
 'psychedelic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.39 dB'
'TXXX:replaygain_track_peak'                        '0.860780'

========================== row from database ==========================
                                              'id'  1413584
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 25/1423 matching mole -  smoke signals.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  399
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  9586000
                                           'mtime'  1620736975
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1423 smoke signals rock cppex progressive;set pl progspace
                                      'tag_artist'  matching mole
                                     'tag_release'  Progsoup 25
                                       'tag_title'  Smoke Signals
                                             'bpm'  138.607
                                    'search_title'  'signals':2 'smoke':1
                                   'search_artist'  'matching':1 'mole':2
                                  'search_release'  '25':2 'progsoup':1
                                     'search_rest'  '1423':3 'classicprogpsy':1 'cppex':7 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11 'signals':5 'smoke':4
                                    'search_combo'  '1423':9 '25':6C 'classicprogpsy':7 'cppex':13 'matching':3B 'mole':4B 'pl':18 'progressive':14,16 'progsoup':5C,8 'progspace':19 'rock':12 'set':15,17 'signals':2A,11 'smoke':1A,10
                                    'tag_tracknum'  36
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', 'canterbury', 'canterbury scene', 'jazz rock', 'progressive rock', 'psychedelic']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736974.5277386  (2021-05-11 14:42:54)
                             'size'  9586000