======================== unified (from filesystem) ========================
                                         'bitrate'  '200.904'
                                        'duration'  '619'
                                          'artist'  'bruford'
                                     'text_people'  ''
                                         'release'  'progsoup 4'
                                           'title'  "-Land's End"
                                           '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-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fusion', 'jazz', 'progressive rock', 'jazz fusion', 'jazz rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '17'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '116.320'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 4'
'TBPM' (BPM (beats per minute))                     '116.320'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "-Land's End"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'bruford'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5/17'
'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'                                   ['fusion', 'jazz', 'progressive rock', 'jazz fusion', 'jazz rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.839058'
'TXXX:tracknum'                                     '213'

========================== row from database ==========================
                                              'id'  1508207
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup4/213 bruford - -Land_s End.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  619
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  15549918
                                           'mtime'  1620737665
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup4 213 Land_s rock cppex progressive;set pl progspace
                                      'tag_artist'  bruford
                                     'tag_release'  progsoup 4
                                       'tag_title'  -Land's End
                                             'bpm'  116.32
                                    'search_title'  'end':4 'land':1 'lands':3 's':2
                                   'search_artist'  'bruford':1
                                  'search_release'  '4':2 'progsoup':1
                                     'search_rest'  '213':4 'classicprogpsy':1 'cppex':8 'land':5 'pl':13 'progressive':9,11 'progsoup':2 'progsoup4':3 'progspace':14 'rock':7 's':6 'set':10,12
                                    'search_combo'  '213':11 '4':7C 'bruford':5B 'classicprogpsy':8 'cppex':15 'end':4A 'land':1A,12 'lands':3A 'pl':20 'progressive':16,18 'progsoup':6C,9 'progsoup4':10 'progspace':21 'rock':14 's':2A,13 'set':17,19
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fusion', 'jazz', 'progressive rock', 'jazz fusion', 'jazz rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737664.529799  (2021-05-11 14:54:24)
                             'size'  15549918