======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '190'
                                          'artist'  'Charles Harrison'
                                     'text_people'  ''
                                         'release'  'Victor 18111'
                                           'title'  'Ireland Must Be Heaven For My Mother Came From There'
                                           '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'schellack schatz', '1890 1920', 'wartime']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1916'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '126.3'
                                             'key'  '4A'
                                        '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 18111'
'TBPM' (BPM (beats per minute))                     '126.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1916-07-19'
'TIT2' (Title/songname/content description)         'Ireland Must Be Heaven For My Mother Came From There'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '190000'
'TPE1' (Lead performer(s)/Soloist(s))               'Charles Harrison'
'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:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['all', 'schellack schatz', '1890 1920', 'wartime']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.782428'

========================== row from database ==========================
                                              'id'  1467575
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1916/Charles Harrison - Ireland Must Be Heaven For My Mother Came From There 19-7-1916.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  190
                                           'genre'  prerock-vocal
                                        'filesize'  3859624
                                           'mtime'  1620666250
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1916 19 7 1916 prerock vocal
                                      'tag_artist'  Charles Harrison
                                     'tag_release'  Victor 18111
                                       'tag_title'  Ireland Must Be Heaven For My Mother Came From There
                                             'bpm'  126.3
                                    'search_title'  'be':3 'came':8 'for':5 'from':9 'heaven':4 'ireland':1 'mother':7 'must':2 'my':6 'there':10
                                   'search_artist'  'charles':1 'harrison':2
                                  'search_release'  '18111':2 'victor':1
                                     'search_rest'  '00oldiepop':5 '19':7 '1916':6 '7':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':19 '18111':14C '19':21 '1916':20 '7':22 'be':3A 'came':8A 'charles':11B 'country':18 'exotica':16 'for':5A 'from':9A 'harrison':12B 'heaven':4A 'ireland':1A 'jazz':15 'mother':7A 'must':2A 'my':6A 'oldies':17 'prerock':23 'there':10A 'victor':13C 'vocal':24
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'schellack schatz', '1890 1920', 'wartime']
                                        'tag_date'  1916
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620666250.2121809  (2021-05-10 19:04:10)
                             'size'  3859624