======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '793'
                                          'artist'  'Pendragon'
                                     'text_people'  ''
                                         'release'  'Progsoup 39'
                                           'title'  'This Green And Pleasant Land'
                                           '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['neo progressive rock', 'progressive rock', 'progressive', 'neo prog', "
 "'rock']")
                                     'discogstags'  "['trance', 'techno', 'acid', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '146.000'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000013CC 000014FC 00008024'
'COMM:iTunNORM:eng'                                 (' 000013CC 000014FC 00008024 000080D2 00064F99 00064F99 00008000 00008000 '
 '00026E67 00033BEF')
'TALB' (Album/Movie/Show title)                     'Progsoup 39'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'This Green And Pleasant Land'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pendragon'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '13'
'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'                                  ['trance', 'techno', 'acid', 'electronic']
'TXXX:lastfmtags'                                   ['neo progressive rock', 'progressive rock', 'progressive', 'neo prog', '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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.436685'

========================== row from database ==========================
                                              'id'  1409134
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 39/2259 pendragon - this green and pleasant land.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  793
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  31769744
                                           'mtime'  1620737324
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2259 pendragon this green pleasant land rock cppex progressive;set pl progspace
                                      'tag_artist'  Pendragon
                                     'tag_release'  Progsoup 39
                                       'tag_title'  This Green And Pleasant Land
                                             'bpm'  146.0
                                    'search_title'  'and':3 'green':2 'land':5 'pleasant':4 'this':1
                                   'search_artist'  'pendragon':1
                                  'search_release'  '39':2 'progsoup':1
                                     'search_rest'  '2259':3 'classicprogpsy':1 'cppex':10 'green':6 'land':8 'pendragon':4 'pl':15 'pleasant':7 'progressive':11,13 'progsoup':2 'progspace':16 'rock':9 'set':12,14 'this':5
                                    'search_combo'  '2259':11 '39':8C 'and':3A 'classicprogpsy':9 'cppex':18 'green':2A,14 'land':5A,16 'pendragon':6B,12 'pl':23 'pleasant':4A,15 'progressive':19,21 'progsoup':7C,10 'progspace':24 'rock':17 'set':20,22 'this':1A,13
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  10B
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  ['neo progressive rock', 'progressive rock', 'progressive', 'neo prog', 'rock']
                                        'tag_date'  2011
                                     'discogstags'  ['trance', 'techno', 'acid', 'electronic']

============================== file details ==============================
                                           'mtime'  1620737323.5012815  (2021-05-11 14:48:43)
                             'size'  31769744