======================== unified (from filesystem) ========================
                                         'bitrate'  '284.946'
                                        'duration'  '686'
                                          'artist'  'Return To Forever'
                                     'text_people'  'Chick Corea'
                                         'release'  'progsoup 53'
                                           'title'  'Duel Of The Jester And The Tyrant (Parts I & II)'
                                           '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-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['jazz fusion', 'jazz', 'instrumental', 'fusion', 'jazz rock', 'progressive "
 "rock']")
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '45'
                                      'tracktotal'  '6'
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '116.186'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000001DF 0000021D 00004613 00004B94 00073E14 00065292 00006834 00007CD2 '
 '000642DB 000642DB')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000978 0000000001CE0C78 00000000 01751BA8 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '6++'
'TALB' (Album/Movie/Show title)                     'progsoup 53'
'TBPM' (BPM (beats per minute))                     '116.186'
'TCOM' (Composer)                                   'Chick Corea'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1976'
'TENC' (Encoded by)                                 'iTunes 10.0.1.22'
'TIT2' (Title/songname/content description)         'Duel Of The Jester And The Tyrant (Parts I & II)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Return To Forever'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '45/6'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz fusion',
 'jazz',
 'instrumental',
 'fusion',
 'jazz rock',
 'progressive 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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.959980'

========================== row from database ==========================
                                              'id'  1413771
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 53/3033 return to forever - duel of the jester and the tyrant.mp3
                                         'working'  None
                                         'bitrate'  284
                                    'duration_sec'  686
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  24462006
                                           'mtime'  1620737569
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3033 return to forever duel of the jester and the tyrant rock cppex progressive;set pl progspace
                                      'tag_artist'  Return To Forever
                                     'tag_release'  progsoup 53
                                       'tag_title'  Duel Of The Jester And The Tyrant (Parts I & II)
                                             'bpm'  116.186
                                    'search_title'  'and':5 'duel':1 'i':9 'ii':10,11 'jester':4 'of':2 'parts':7,8 'the':3 'tyrant':6
                                   'search_artist'  'forever':3 'return':1 'to':2
                                  'search_release'  '53':2 'progsoup':1
                                     'search_rest'  '3033':3 'and':11 'classicprogpsy':1 'cppex':14 'duel':7 'forever':6 'jester':10 'of':8 'pl':19 'progressive':15,17 'progsoup':2 'progspace':20 'return':4 'rock':13 'set':16,18 'the':9 'to':5 'tyrant':12
                                    'search_combo'  '3033':19 '53':16C 'and':5A,27 'classicprogpsy':17 'cppex':30 'duel':1A,23 'forever':14B,22 'i':9A 'ii':10A,11A 'jester':4A,26 'of':2A,24 'parts':7A,8A 'pl':35 'progressive':31,33 'progsoup':15C,18 'progspace':36 'return':12B,20 'rock':29 'set':32,34 'the':3A,25 'to':13B,21 'tyrant':6A,28
                                    'tag_tracknum'  45
                                      'num_images'  0
                                             'key'  9A
                                           '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz fusion', 'jazz', 'instrumental', 'fusion', 'jazz rock', 'progressive rock']
                                        'tag_date'  1976
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620737568.6906238  (2021-05-11 14:52:48)
                             'size'  24462006