======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '155'
                                          'artist'  'Fred van Eps'
                                     'text_people'  ''
                                         'release'  'Victor 17120 (11953-2)'
                                           'title'  'Omena Intermezzo 1-5-1912 Victor'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', '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'  ''
                                      'tracktotal'  ''
                                            'date'  '1912'
                                        'comments'  ''
                                           'genre'  'prerock-banjo'
                                             'bpm'  '87.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com\r\nOriginals from H C .'
'TALB' (Album/Movie/Show title)                     'Victor 17120 (11953-2)'
'TBPM' (BPM (beats per minute))                     '87.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-banjo'
'TDRC' (Recording time)                             '1912'
'TIT2' (Title/songname/content description)         'Omena Intermezzo 1-5-1912 Victor'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fred van Eps'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'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'                                       '1'
'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'                        '+1.39 dB'
'TXXX:replaygain_track_peak'                        '0.567731'

========================== row from database ==========================
                                              'id'  1470954
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1912/Fred van Eps banjo - Omena Intermezzo 1-5-1912 Victor.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  155
                                           'genre'  prerock-banjo
                                        'filesize'  3149531
                                           'mtime'  1620559280
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop banjo prerock banjo
                                      'tag_artist'  Fred van Eps
                                     'tag_release'  Victor 17120 (11953-2)
                                       'tag_title'  Omena Intermezzo 1-5-1912 Victor
                                             'bpm'  87.0
                                    'search_title'  '1':3 '151912':6 '1912':5 '5':4 'intermezzo':2 'omena':1 'victor':7
                                   'search_artist'  'eps':3 'fred':1 'van':2
                                  'search_release'  '11953':3 '119532':5 '17120':2 '2':4 'victor':1
                                     'search_rest'  '00oldiepop':5 'banjo':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':20 '1':3A '11953':13C '119532':15C '151912':6A '17120':12C '1912':5A '2':14C '5':4A 'banjo':21 'country':19 'eps':10B 'exotica':17 'fred':8B 'intermezzo':2A 'jazz':16 'oldies':18 'omena':1A 'prerock':22 'van':9B 'victor':7A,11C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', '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-1']
                                      'lastfmtags'  ['q-vocals-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1912
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559279.5799253  (2021-05-09 13:21:19)
                             'size'  3149531