======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '184'
                                          'artist'  'Peerless Quartet'
                                     'text_people'  ''
                                         'release'  'Victor'
                                           'title'  "He's A Rag Picker 21-9-1914 Victor"
                                           '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1914'
                                        'comments'  ''
                                           'genre'  'prerock-minstrel'
                                             'bpm'  '95.9'
                                             'key'  '10A'
                                        '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)                     'Victor'
'TBPM' (BPM (beats per minute))                     '95.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-minstrel'
'TDRC' (Recording time)                             '1914'
'TIT2' (Title/songname/content description)         "He's A Rag Picker 21-9-1914 Victor"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Peerless Quartet'
'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: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'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.558241'

========================== row from database ==========================
                                              'id'  1499411
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1914/Peerless Quartet - He_s A Rag Picker 21-9-1914 Victor.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  184
                                           'genre'  prerock-minstrel
                                        'filesize'  3786568
                                           'mtime'  1621705276
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop He_s prerock minstrel
                                      'tag_artist'  Peerless Quartet
                                     'tag_release'  Victor
                                       'tag_title'  He's A Rag Picker 21-9-1914 Victor
                                             'bpm'  95.9
                                    'search_title'  '1914':9 '21':7 '2191914':10 '9':8 'a':4 'he':1 'hes':3 'picker':6 'rag':5 's':2 'victor':11
                                   'search_artist'  'peerless':1 'quartet':2
                                  'search_release'  'victor':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'he':6 'jazz':1 'minstrel':9 'oldies':3 'prerock':8 's':7
                                    'search_combo'  '00oldiepop':19 '1914':9A '21':7A '2191914':10A '9':8A 'a':4A 'country':18 'exotica':16 'he':1A,20 'hes':3A 'jazz':15 'minstrel':23 'oldies':17 'peerless':12B 'picker':6A 'prerock':22 'quartet':13B 'rag':5A 's':2A,21 'victor':11A,14C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           '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'  []
                                        'tag_date'  1914
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705276.39412  (2021-05-22 19:41:16)
                             'size'  3786568