======================== unified (from filesystem) ========================
                                         'bitrate'  '164.627'
                                        'duration'  '184'
                                          'artist'  'Aretha Franklin'
                                     'text_people'  ''
                                         'release'  'This Is Jazz 34'
                                           'title'  'God Bless The Child'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '17'
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soul'
                                             'bpm'  '135.546'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'D60D9911'
'COMM:ID3v1 Comment:XXX'                            'D60D9911'
'TALB' (Album/Movie/Show title)                     'This Is Jazz 34'
'TBPM' (BPM (beats per minute))                     '135.546'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soul'
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'God Bless The Child'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Aretha Franklin'
'TRCK' (Track number/Position in set)               '9/17'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 2, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.88 dB'
'TXXX:replaygain_track_peak'                        '0.576014'

========================== row from database ==========================
                                              'id'  773610
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Aretha Franklin/This is Jazz 34/Aretha Franklin - God Bless The Child.mp3
                                         'working'  None
                                         'bitrate'  164
                                    'duration_sec'  184
                                           'genre'  prerock-jb-jazz-soul
                                        'filesize'  3799230
                                           'mtime'  1620528177
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country prerock jb jazz soul
                                      'tag_artist'  Aretha Franklin
                                     'tag_release'  This Is Jazz 34
                                       'tag_title'  God Bless The Child
                                             'bpm'  135.546
                                    'search_title'  'bless':2 'child':4 'god':1 'the':3
                                   'search_artist'  'aretha':1 'franklin':2
                                  'search_release'  '34':4 'is':2 'jazz':3 'this':1
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'prerock':5 'soul':7
                                    'search_combo'  '34':10C 'aretha':5B 'bless':2A 'child':4A 'country':14 'exotica':12 'franklin':6B 'god':1A 'is':8C 'jazz':9C,11 'jb':16 'oldies':13 'prerock':15 'soul':17 'the':3A 'this':7C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  1961
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620528176.9960995  (2021-05-09 04:42:56)
                             'size'  3799230