======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '436'
                                          'artist'  'Traffic'
                                     'text_people'  ''
                                         'release'  'Progsoup 34'
                                           'title'  'Blind Man'
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '138.512'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 34'
'TBPM' (BPM (beats per minute))                     '138.512'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Blind Man'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '436218'
'TPE1' (Lead performer(s)/Soloist(s))               'Traffic'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'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', 'rock', 'progressive rock', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '+2.28 dB'
'TXXX:replaygain_track_peak'                        '0.609566'

========================== row from database ==========================
                                              'id'  1412212
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 34 (sixties prog)/1959 traffic - blind man.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  436
                                           'genre'  rock-cppex-progressive
                                        'filesize'  8726424
                                           'mtime'  1620737204
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (sixties prog) 1959 traffic blind man rock cppex progressive
                                      'tag_artist'  Traffic
                                     'tag_release'  Progsoup 34
                                       'tag_title'  Blind Man
                                             'bpm'  138.512
                                    'search_title'  'blind':1 'man':2
                                   'search_artist'  'traffic':1
                                  'search_release'  '34':2 'progsoup':1
                                     'search_rest'  '1959':7 'blind':9 'classicprogpsy':1 'cppex':12 'man':10 'prog':5,6 'progressive':13 'progsoup':2 'rock':11 'sixties':3,4 'traffic':8
                                    'search_combo'  '1959':12 '34':5C 'blind':1A,14 'classicprogpsy':6 'cppex':17 'man':2A,15 'prog':10,11 'progressive':18 'progsoup':4C,7 'rock':16 'sixties':8,9 'traffic':3B,13
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic rock']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737203.5267882  (2021-05-11 14:46:43)
                             'size'  8726424