======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '199'
                                          'artist'  "The Elders Mcintorsh And Edwards' Sanctified Singers"
                                     'text_people'  'Traditional'
                                         'release'  'Anthology Of American Fold Music'
                                           'title'  'Since I Laid My Burden Down'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
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 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['memphis', 'tennessee', 'folk', 'americana', 'anthology of american folk "
 "music']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '49'
                                      'tracktotal'  '84'
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'loc-namerica;prerock-americana'
                                             'bpm'  '104.877'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '00000aeb 00000014 0000abeb 0'
'COMM:iTunNORM:eng'                                 ('00000aeb 00000014 0000abeb 00003d68 0002d9b1 0002449c 00007cb6 00007cb5 '
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'COMM:iTunSMPB:eng'                                 ('00000000 00000210 00000a44 000000000086292c 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '15+9e6da0b51b1870fdc03115208e830cce+799441'
'TALB' (Album/Movie/Show title)                     'Anthology Of American Fold Music'
'TBPM' (BPM (beats per minute))                     '104.877'
'TCOM' (Composer)                                   'Traditional'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica', 'prerock-americana']
'TDRC' (Recording time)                             '1929'
'TENC' (Encoded by)                                 'Itunes V6.0.1.3'
'TIT2' (Title/songname/content description)         'Since I Laid My Burden Down'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               "The Elders Mcintorsh And Edwards' Sanctified Singers"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '4/6'
'TRCK' (Track number/Position in set)               '49/84'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['memphis',
 'tennessee',
 'folk',
 'americana',
 'anthology of american folk music']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.580772'

========================== row from database ==========================
                                              'id'  1512665
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Various Artists - 1952 - Anthology Of American Fold Music/49 - Since I Laid My Burden Down - The Elders Mcintorsh And Edwards_ Sanctified Singers.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  199
                                           'genre'  loc-namerica;prerock-americana
                                        'filesize'  4006920
                                           'mtime'  1621628443
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Various Artists 1952 49 Edwards_ loc namerica;prerock americana
                                      'tag_artist'  The Elders Mcintorsh And Edwards' Sanctified Singers
                                     'tag_release'  Anthology Of American Fold Music
                                       'tag_title'  Since I Laid My Burden Down
                                             'bpm'  104.877
                                    'search_title'  'burden':5 'down':6 'i':2 'laid':3 'my':4 'since':1
                                   'search_artist'  'and':4 'edwards':5,6 'elders':2 'mcintorsh':3 'sanctified':7 'singers':8 'the':1
                                  'search_release'  'american':3 'anthology':1 'fold':4 'music':5 'of':2
                                     'search_rest'  '1952':7 '49':8 'americana':15 'artists':6 'country':4 'edwards':9 'exotica':2 'jazz':1 'loc':10 'namerica':11,13 'oldies':3 'prerock':12,14 'various':5
                                    'search_combo'  '1952':26 '49':27 'american':17C 'americana':34 'and':10B 'anthology':15C 'artists':25 'burden':5A 'country':23 'down':6A 'edwards':11B,12B,28 'elders':8B 'exotica':21 'fold':18C 'i':2A 'jazz':20 'laid':3A 'loc':29 'mcintorsh':9B 'music':19C 'my':4A 'namerica':30,32 'of':16C 'oldies':22 'prerock':31,33 'sanctified':13B 'since':1A 'singers':14B 'the':7B 'various':24
                                    'tag_tracknum'  49
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['memphis', 'tennessee', 'folk', 'americana', 'anthology of american folk music']
                                        'tag_date'  1929
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628443.3653166  (2021-05-21 22:20:43)
                             'size'  4006920