======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '172'
                                          'artist'  "Rudy Wiedoeft's Californians"
                                     'text_people'  ''
                                         'release'  'Emerson 10477'
                                           'title'  'When Buddha Smiles 1921 Emerson'
                                           '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-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1921'
                                        'comments'  ''
                                           'genre'  'prerock-ragtime'
                                             'bpm'  '100.4'
                                             'key'  '5B'
                                        '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)                     'Emerson 10477'
'TBPM' (BPM (beats per minute))                     '100.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-ragtime'
'TDRC' (Recording time)                             '1921'
'TIT2' (Title/songname/content description)         'When Buddha Smiles 1921 Emerson'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               "Rudy Wiedoeft's Californians"
'TRCK' (Track number/Position in set)               '8'
'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'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.552427'

========================== row from database ==========================
                                              'id'  1498867
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1921/Rudy Wiedoeft_s Californians - When Buddha Smiles 1921 Emerson.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  172
                                           'genre'  prerock-ragtime
                                        'filesize'  3613836
                                           'mtime'  1620527122
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop Wiedoeft_s prerock ragtime
                                      'tag_artist'  Rudy Wiedoeft's Californians
                                     'tag_release'  Emerson 10477
                                       'tag_title'  When Buddha Smiles 1921 Emerson
                                             'bpm'  100.4
                                    'search_title'  '1921':4 'buddha':2 'emerson':5 'smiles':3 'when':1
                                   'search_artist'  'californians':5 'rudy':1 's':3 'wiedoeft':2 'wiedoefts':4
                                  'search_release'  '10477':2 'emerson':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'ragtime':9 's':7 'wiedoeft':6
                                    'search_combo'  '00oldiepop':17 '10477':12C '1921':4A 'buddha':2A 'californians':10B 'country':16 'emerson':5A,11C 'exotica':14 'jazz':13 'oldies':15 'prerock':20 'ragtime':21 'rudy':6B 's':8B,19 'smiles':3A 'when':1A 'wiedoeft':7B,18 'wiedoefts':9B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1921
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527121.9081938  (2021-05-09 04:25:21)
                             'size'  3613836