======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '205'
                                          'artist'  'Paragon Ragtime Orchestra'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "I Wonder Whether I've Loved You All My Life (Hirsch 1918)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['themepark', 'berlinx', 'intello', 'melodi', 'disney']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1918'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '109.705'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Sound edited by Breda4@hotmail'
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '109.705'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1918'
'TIT2' (Title/songname/content description)         "I Wonder Whether I've Loved You All My Life (Hirsch 1918)"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '205000'
'TPE1' (Lead performer(s)/Soloist(s))               'Paragon Ragtime Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['themepark', 'berlinx', 'intello', 'melodi', 'disney']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.841030'

========================== row from database ==========================
                                              'id'  1521535
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1918/Paragon Ragtime Orchestra - I Wonder Whether I_ve Loved You (Hirsch 1918).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  205
                                           'genre'  prerock-band
                                        'filesize'  4210625
                                           'mtime'  1620559603
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop I_ve prerock band
                                      'tag_artist'  Paragon Ragtime Orchestra
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  I Wonder Whether I've Loved You All My Life (Hirsch 1918)
                                             'bpm'  109.705
                                    'search_title'  '1918':14,15 'all':9 'hirsch':12,13 'i':1,4 'ive':6 'life':11 'loved':7 'my':10 've':5 'whether':3 'wonder':2 'you':8
                                   'search_artist'  'orchestra':3 'paragon':1 'ragtime':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 'band':9 'country':4 'exotica':2 'i':6 'jazz':1 'oldies':3 'prerock':8 've':7
                                    'search_combo'  '00oldiepop':28 '1918':14A,15A 'album':20C 'all':9A 'band':32 'country':27 'exotica':25 'hirsch':12A,13A 'i':1A,4A,29 'ive':6A 'jazz':24 'life':11A 'loved':7A 'my':10A 'non':19C 'nonalbum':21C 'oldies':26 'orchestra':18B 'paragon':16B 'prerock':31 'ragtime':17B 'tracks':22C,23C 've':5A,30 'whether':3A 'wonder':2A 'you':8A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['themepark', 'berlinx', 'intello', 'melodi', 'disney']
                                        'tag_date'  1918
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620559602.9006836  (2021-05-09 13:26:42)
                             'size'  4210625