======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '195'
                                          'artist'  'Ben Albert'
                                     'text_people'  ''
                                         'release'  'Beka   485'
                                           'title'  'What Is It Master Likes So Much'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk']"
                                     'discogstags'  "['non-music', 'comedy']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1911'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '85.2'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Beka   485'
'TBPM' (BPM (beats per minute))                     '85.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1911-09'
'TIT2' (Title/songname/content description)         'What Is It Master Likes So Much'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '195000'
'TPE1' (Lead performer(s)/Soloist(s))               'Ben Albert'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['non-music', 'comedy']
'TXXX:lastfmtags'                                   'folk'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.16 dB'
'TXXX:replaygain_track_peak'                        '0.547686'

========================== row from database ==========================
                                              'id'  1468015
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1911/Ben Albert - What Is it Master Likes So Much -9-1911.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  195
                                           'genre'  prerock-unsorted
                                        'filesize'  3972780
                                           'mtime'  1621697759
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1911 it 9 1911 prerock unsorted
                                      'tag_artist'  Ben Albert
                                     'tag_release'  Beka   485
                                       'tag_title'  What Is It Master Likes So Much
                                             'bpm'  85.2
                                    'search_title'  'is':2 'it':3 'likes':5 'master':4 'much':7 'so':6 'what':1
                                   'search_artist'  'albert':2 'ben':1
                                  'search_release'  '485':2 'beka':1
                                     'search_rest'  '00oldiepop':5 '1911':6 '9':8 'country':4 'exotica':2 'it':7 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':16 '1911':17 '485':11C '9':19 'albert':9B 'beka':10C 'ben':8B 'country':15 'exotica':13 'is':2A 'it':3A,18 'jazz':12 'likes':5A 'master':4A 'much':7A 'oldies':14 'prerock':20 'so':6A 'unsorted':21 'what':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['folk']
                                        'tag_date'  1911
                                     'discogstags'  ['non-music', 'comedy']

============================== file details ==============================
                                           'mtime'  1621697758.6679127  (2021-05-22 17:35:58)
                             'size'  3972780