======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '130'
                                          'artist'  'Albert Benzler bells & Henry Nesbit chimes'
                                     'text_people'  ''
                                         'release'  'Edison  8956'
                                           'title'  'Summer Dream (+ Edison Military Band)'
                                           '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-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1905'
                                        'comments'  ''
                                           'genre'  'prerock-instrumental'
                                             'bpm'  '117.1'
                                             'key'  '8A'
                                        '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)                     'Edison  8956'
'TBPM' (BPM (beats per minute))                     '117.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-instrumental'
'TDRC' (Recording time)                             '1905'
'TIT2' (Title/songname/content description)         'Summer Dream (+ Edison Military Band)'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '130000'
'TPE1' (Lead performer(s)/Soloist(s))               'Albert Benzler bells & Henry Nesbit chimes'
'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'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.943560'

========================== row from database ==========================
                                              'id'  1474424
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1905/Albert Benzler bells & Henry Nesbit chimes - Summer Dream (+ Edison Military Band) 1905.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  130
                                           'genre'  prerock-instrumental
                                        'filesize'  2650997
                                           'mtime'  1621705352
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1905 1905 prerock instrumental
                                      'tag_artist'  Albert Benzler bells & Henry Nesbit chimes
                                     'tag_release'  Edison  8956
                                       'tag_title'  Summer Dream (+ Edison Military Band)
                                             'bpm'  117.1
                                    'search_title'  'band':5,6 'dream':2 'edison':3 'military':4 'summer':1
                                   'search_artist'  'albert':1 'bells':3 'benzler':2 'chimes':6 'henry':4 'nesbit':5
                                  'search_release'  '8956':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1905':6 'country':4 'exotica':2 'instrumental':8 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':19 '1905':20 '8956':14C 'albert':7B 'band':5A,6A 'bells':9B 'benzler':8B 'chimes':12B 'country':18 'dream':2A 'edison':3A,13C 'exotica':16 'henry':10B 'instrumental':22 'jazz':15 'military':4A 'nesbit':11B 'oldies':17 'prerock':21 'summer':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1905
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705351.6664183  (2021-05-22 19:42:31)
                             'size'  2650997