======================== unified (from filesystem) ========================
                                         'bitrate'  '320.003'
                                        'duration'  '395'
                                          'artist'  'Queensryche'
                                     'text_people'  ''
                                         'release'  'Progsoup 44'
                                           'title'  "A Dead Man's Words"
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive metal', 'heavy metal', 'progressive rock', 'hard rock', 'metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '99.080'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 44'
'TBPM' (BPM (beats per minute))                     '99.080'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         "A Dead Man's Words"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Queensryche'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '21/12'
'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'                                   ['progressive metal', 'heavy metal', 'progressive rock', 'hard rock', 'metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.81 dB'
'TXXX:replaygain_track_peak'                        '0.373254'

========================== row from database ==========================
                                              'id'  1499542
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 44/2532 queensryche -  A Dead Man_s Words.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  395
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  15844748
                                           'mtime'  1620737431
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2532 queensryche Man_s rock cppex progressive;set pl progspace
                                      'tag_artist'  Queensryche
                                     'tag_release'  Progsoup 44
                                       'tag_title'  A Dead Man's Words
                                             'bpm'  99.08
                                    'search_title'  'a':1 'dead':2 'man':3 'mans':5 's':4 'words':6
                                   'search_artist'  'queensryche':1
                                  'search_release'  '44':2 'progsoup':1
                                     'search_rest'  '2532':3 'classicprogpsy':1 'cppex':8 'man':5 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'queensryche':4 'rock':7 's':6 'set':10,12
                                    'search_combo'  '2532':12 '44':9C 'a':1A 'classicprogpsy':10 'cppex':17 'dead':2A 'man':3A,14 'mans':5A 'pl':22 'progressive':18,20 'progsoup':8C,11 'progspace':23 'queensryche':7B,13 'rock':16 's':4A,15 'set':19,21 'words':6A
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive metal', 'heavy metal', 'progressive rock', 'hard rock', 'metal']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737431.1449137  (2021-05-11 14:50:31)
                             'size'  15844748