======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '242'
                                          'artist'  'Nellie Melba'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Le Temps Des Lilsa (Chausson)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1913'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-opera'
                                             'bpm'  '142.2'
                                             'key'  '7B'
                                        '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)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '142.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-opera'
'TDRC' (Recording time)                             '1913-05'
'TIT2' (Title/songname/content description)         'Le Temps Des Lilsa (Chausson)'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '242000'
'TPE1' (Lead performer(s)/Soloist(s))               'Nellie Melba'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.56 dB'
'TXXX:replaygain_track_peak'                        '0.929020'

========================== row from database ==========================
                                              'id'  1473472
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1913/Nellie Melba - Le Temps Des Lilsa (Chausson) -5-1913.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  242
                                           'genre'  prerock-vocal-opera
                                        'filesize'  4893463
                                           'mtime'  1621625650
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1913 5 1913 prerock vocal opera
                                      'tag_artist'  Nellie Melba
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Le Temps Des Lilsa (Chausson)
                                             'bpm'  142.2
                                    'search_title'  'chausson':5,6 'des':3 'le':1 'lilsa':4 'temps':2
                                   'search_artist'  'melba':2 'nellie':1
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1913':6 '5':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'opera':10 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':18 '1913':19 '5':20 'album':10C 'chausson':5A,6A 'country':17 'des':3A 'exotica':15 'jazz':14 'le':1A 'lilsa':4A 'melba':8B 'nellie':7B 'non':9C 'nonalbum':11C 'oldies':16 'opera':23 'prerock':21 'temps':2A 'tracks':12C,13C 'vocal':22
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['q-vocals-4', 'q-piano-2', 'q-mixbeat-1', 'Q-PIANO-2', 'q-play-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1913
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625649.5599089  (2021-05-21 21:34:09)
                             'size'  4893463