======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '282'
                                          'artist'  'The Rolling Stones'
                                     'text_people'  ''
                                         'release'  'Progsoup 34'
                                           'title'  '2000 Lightyears from Home'
                                           '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'  "['classic rock', 'rock', '60s', 'british', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '123.859'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 34'
'TBPM' (BPM (beats per minute))                     '123.859'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         '2000 Lightyears from Home'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rolling Stones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '25'
'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'                                   ['classic rock', 'rock', '60s', 'british', 'blues']
'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'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.757300'
'TXXX:tracknum'                                     '1981'

========================== row from database ==========================
                                              'id'  1409666
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 34 (sixties prog)/1981 Rolling Stones - 2000 Lightyears from Home.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  282
                                           'genre'  rock-cppex-progressive
                                        'filesize'  4514368
                                           'mtime'  1620737215
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (sixties prog) 1981 rock cppex progressive
                                      'tag_artist'  The Rolling Stones
                                     'tag_release'  Progsoup 34
                                       'tag_title'  2000 Lightyears from Home
                                             'bpm'  123.859
                                    'search_title'  '2000':1 'from':3 'home':4 'lightyears':2
                                   'search_artist'  'rolling':2 'stones':3 'the':1
                                  'search_release'  '34':2 'progsoup':1
                                     'search_rest'  '1981':7 'classicprogpsy':1 'cppex':9 'prog':5,6 'progressive':10 'progsoup':2 'rock':8 'sixties':3,4
                                    'search_combo'  '1981':16 '2000':1A '34':9C 'classicprogpsy':10 'cppex':18 'from':3A 'home':4A 'lightyears':2A 'prog':14,15 'progressive':19 'progsoup':8C,11 'rock':17 'rolling':6B 'sixties':12,13 'stones':7B 'the':5B
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  12B
                                           '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'  ['classic rock', 'rock', '60s', 'british', 'blues']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737215.415385  (2021-05-11 14:46:55)
                             'size'  4514368