======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '849'
                                          'artist'  'Deluge Grander'
                                     'text_people'  ''
                                         'release'  'progsoup 15'
                                           'title'  'The Tree Factory'
                                           '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-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['symphonic prog', 'fusion', 'progressive rock', 'american', 'rock']"
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '125.782'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000078D 00000000 00002796'
'COMM:iTunNORM:eng'                                 (' 0000078D 00000000 00002796 00000000 000C0DF0 00000000 000072F4 00000000 '
 '0000EAA5 00000000')
'TALB' (Album/Movie/Show title)                     'progsoup 15'
'TBPM' (BPM (beats per minute))                     '125.782'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'The Tree Factory'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deluge Grander'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'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'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['symphonic prog', 'fusion', 'progressive rock', 'american', 'rock']
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.41 dB'
'TXXX:replaygain_track_peak'                        '0.593499'

========================== row from database ==========================
                                              'id'  1414206
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 15/851 deluge grander - the tree factory.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  849
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  34113791
                                           'mtime'  1620736525
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 851 deluge grander the tree factory rock cppex progressive;set pl progspace
                                      'tag_artist'  Deluge Grander
                                     'tag_release'  progsoup 15
                                       'tag_title'  The Tree Factory
                                             'bpm'  125.782
                                    'search_title'  'factory':3 'the':1 'tree':2
                                   'search_artist'  'deluge':1 'grander':2
                                  'search_release'  'progsoup':1
                                     'search_rest'  '851':3 'classicprogpsy':1 'cppex':10 'deluge':4 'factory':8 'grander':5 'pl':15 'progressive':11,13 'progsoup':2 'progspace':16 'rock':9 'set':12,14 'the':6 'tree':7
                                    'search_combo'  '851':9 'classicprogpsy':7 'cppex':16 'deluge':4B,10 'factory':3A,14 'grander':5B,11 'pl':21 'progressive':17,19 'progsoup':6C,8 'progspace':22 'rock':15 'set':18,20 'the':1A,12 'tree':2A,13
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['symphonic prog', 'fusion', 'progressive rock', 'american', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736524.5041728  (2021-05-11 14:35:24)
                             'size'  34113791