======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '184'
                                          'artist'  'Didier Hibert'
                                     'text_people'  'Traditional'
                                         'release'  'Anthology Of American Fold Music'
                                           'title'  'I Woke Up One Morning In May'
                                           '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '60'
                                      'tracktotal'  '84'
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'loc-namerica;prerock-americana'
                                             'bpm'  '109.943'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0000056b 00000004 0000586f 0'
'COMM:iTunNORM:eng'                                 ('0000056b 00000004 0000586f 00000ff3 000139e0 00014cdb 00006e6a 00006e6b '
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'COMM:iTunSMPB:eng'                                 ('00000000 00000210 00000780 00000000007bec70 00000000 00000000 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '14+2837f3a9415ddaad3e178a64c8cf9342+799440'
'TALB' (Album/Movie/Show title)                     'Anthology Of American Fold Music'
'TBPM' (BPM (beats per minute))                     '109.943'
'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)         'I Woke Up One Morning In May'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Didier Hibert'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '5/6'
'TRCK' (Track number/Position in set)               '60/84'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '+1.16 dB'
'TXXX:replaygain_track_peak'                        '0.609569'

========================== row from database ==========================
                                              'id'  984159
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Various Artists - 1952 - Anthology Of American Fold Music/60 - I Woke Up One Morning In May - Didier Hébert.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  184
                                           'genre'  loc-namerica;prerock-americana
                                        'filesize'  3702164
                                           'mtime'  1621628443
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Various Artists 1952 60 Hébert loc namerica;prerock americana
                                      'tag_artist'  Didier Hibert
                                     'tag_release'  Anthology Of American Fold Music
                                       'tag_title'  I Woke Up One Morning In May
                                             'bpm'  109.943
                                    'search_title'  'i':1 'in':6 'may':7 'morning':5 'one':4 'up':3 'woke':2
                                   'search_artist'  'didier':1 'hibert':2
                                  'search_release'  'american':3 'anthology':1 'fold':4 'music':5 'of':2
                                     'search_rest'  '1952':7 '60':8 'americana':16 'artists':6 'country':4 'exotica':2 'hebert':9,10 'jazz':1 'loc':11 'namerica':12,14 'oldies':3 'prerock':13,15 'various':5
                                    'search_combo'  '1952':21 '60':22 'american':12C 'americana':30 'anthology':10C 'artists':20 'country':18 'didier':8B 'exotica':16 'fold':13C 'hebert':23,24 'hibert':9B 'i':1A 'in':6A 'jazz':15 'loc':25 'may':7A 'morning':5A 'music':14C 'namerica':26,28 'of':11C 'oldies':17 'one':4A 'prerock':27,29 'up':3A 'various':19 'woke':2A
                                    'tag_tracknum'  60
                                      'num_images'  1
                                             'key'  12A
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1929
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628443.4303067  (2021-05-21 22:20:43)
                             'size'  3702164