======================== unified (from filesystem) ========================
                                         'bitrate'  '196.09'
                                        'duration'  '916'
                                          'artist'  'blind faith'
                                     'text_people'  ''
                                         'release'  'progsoup 6'
                                           'title'  'do what you like'
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'blues rock', 'british', 'rock', 'blues', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '60'
                                      'tracktotal'  '8'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '118.984'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 6'
'TBPM' (BPM (beats per minute))                     '118.984'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'do what you like'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'blind faith'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '60/8'
'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'                                   ['60s', 'blues rock', 'british', 'rock', 'blues', 'classic rock']
'TXXX:q-bass'                                       '4'
'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'                        '+1.51 dB'
'TXXX:replaygain_track_peak'                        '0.739979'

========================== row from database ==========================
                                              'id'  1414508
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup6/396 blind faith - do what you like.mp3
                                         'working'  None
                                         'bitrate'  196
                                    'duration_sec'  916
                                           'genre'  rock-cppex-progressive
                                        'filesize'  22463837
                                           'mtime'  1620737689
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup6 396 rock cppex progressive
                                      'tag_artist'  blind faith
                                     'tag_release'  progsoup 6
                                       'tag_title'  do what you like
                                             'bpm'  118.984
                                    'search_title'  'do':1 'like':4 'what':2 'you':3
                                   'search_artist'  'blind':1 'faith':2
                                  'search_release'  '6':2 'progsoup':1
                                     'search_rest'  '396':4 'classicprogpsy':1 'cppex':6 'progressive':7 'progsoup':2 'progsoup6':3 'rock':5
                                    'search_combo'  '396':12 '6':8C 'blind':5B 'classicprogpsy':9 'cppex':14 'do':1A 'faith':6B 'like':4A 'progressive':15 'progsoup':7C,10 'progsoup6':11 'rock':13 'what':2A 'you':3A
                                    'tag_tracknum'  60
                                      'num_images'  0
                                             'key'  8A
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'blues rock', 'british', 'rock', 'blues', 'classic rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737688.8205817  (2021-05-11 14:54:48)
                             'size'  22463837