======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '117'
                                          'artist'  'Golden Gate Quartet'
                                     'text_people'  ''
                                         'release'  'Radio Transcriptions in Chronological Order 1941-1944'
                                           'title'  "Didn't Old Pharoah Get Lost"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['gospel', 'blues', 'spiritual', 'jazz', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  '32'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-namerica-gospel'
                                             'bpm'  '112.570'
                                             'key'  '1A'
                                        'acoustid'  '93d679b2-2ce0-43e7-b5e3-bbfea45a93be'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '[mudmashers]'
'COMM:ID3v1 Comment:XXX'                            '[mudmashers]'
'MCDI' (Music CD identifier)                        MCDI(data=b'2\x000\x00+\x009\x006\x00+\x00D\x00A\x003\x00+\x002\x006\x00D\x001\x00+\x004\x008\x00A\x005\x00+\x007\x008\x00C\x002\x00+\x00A\x00B\x002\x003\x00+\x00C\x00A\x000\x003\x00+\x00E\x008\x007\x00F\x00+\x001\x000\x005\x00D\x005\x00+\x001\x003\x001\x009\x00D\x00+\x001\x005\x00B\x00D\x00F\x00+\x001\x007\x008\x005\x008\x00+\x001\x009\x000\x003\x003\x00+\x001\x00B\x003\x00A\x007\x00+\x001\x00D\x004\x003\x006\x00+\x001\x00F\x004\x00E\x00D\x00+\x002\x001\x002\x00A\x008\x00+\x002\x003\x00D\x007\x005\x00+\x002\x006\x00B\x00A\x00D\x00+\x002\x009\x005\x006\x00F\x00+\x002\x00B\x00E\x002\x00C\x00+\x002\x00E\x000\x005\x00D\x00+\x002\x00F\x00F\x00D\x002\x00+\x003\x002\x009\x006\x009\x00+\x003\x004\x00A\x00D\x003\x00+\x003\x006\x00D\x003\x00D\x00+\x003\x008\x007\x005\x001\x00+\x003\x00B\x00D\x00D\x008\x00+\x003\x00E\x00A\x008\x00A\x00+\x004\x000\x00D\x00F\x00F\x00+\x004\x002\x00D\x003\x006\x00+\x004\x005\x007\x007\x005\x00+\x004\x007\x00E\x00B\x001\x00\x00\x00')
'PRIV:AverageLevel:¦\x0f\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xa6\x0f\x00\x00')
'PRIV:PeakValue:Á`\x00\x00'                         PRIV(owner='PeakValue', data=b'\xc1`\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x005\x009\x001\x001\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x002\x002\x009\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x002\x007\x002\x007\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x005\x009\x001\x001\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x002\x002\x009\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x002\x007\x002\x007\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:´"®³Z´\x05M¡\xadÞ\x88í\x7fC\x1d'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xb4"\xae\xb3Z\xb4\x05M\xa1\xad\xde\x88\xed\x7fC\x1d')
'PRIV:WM/WMCollectionID:´"®³Z´\x05M¡\xadÞ\x88í\x7fC\x1d'  PRIV(owner='WM/WMCollectionID', data=b'\xb4"\xae\xb3Z\xb4\x05M\xa1\xad\xde\x88\xed\x7fC\x1d')
'PRIV:WM/WMContentID:nD\x00Q\x0eÂñE¶ÛlJÞ\x00-\x9d'  PRIV(owner='WM/WMContentID', data=b'nD\x00Q\x0e\xc2\xf1E\xb6\xdblJ\xde\x00-\x9d')
'TALB' (Album/Movie/Show title)                     'Radio Transcriptions in Chronological Order 1941-1944'
'TBPM' (BPM (beats per minute))                     '112.570'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-gospel'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         "Didn't Old Pharoah Get Lost"
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '117466'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Golden Gate Quartet'
'TPE2' (Band/orchestra/accompaniment)               'Golden Gate Quartet'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Document Records'
'TRCK' (Track number/Position in set)               '25/32'
'TSO2'                                              'Golden Gate Quartet, The'
'TSOP' (Performer sort order)                       'Golden Gate Quartet, The'
'TXXX:Acoustid Id'                                  '93d679b2-2ce0-43e7-b5e3-bbfea45a93be'
'TXXX:CATALOGNUMBER'                                'DOCD-5502'
'TXXX:MusicBrainz Album Artist Id'                  '3ac646f6-2057-485c-bf7e-205887c81426'
'TXXX:MusicBrainz Album Id'                         '16ce2e63-78b3-41dc-a6ec-3aa2e1a5f74a'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '3ac646f6-2057-485c-bf7e-205887c81426'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['gospel', 'blues', 'spiritual', 'jazz', 'soul']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.02 dB'
'TXXX:replaygain_track_peak'                        '0.451267'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b74d54b7-9017-40fd-8926-a8965cd9a3f2')

========================== row from database ==========================
                                              'id'  1521779
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Golden Gate Quartet--Complete Works 1937-44 (Document-5CD)/Radio Transcriptions 1941-1944/25 - Didn_t Old Pharoah Get Lost.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  117
                                           'genre'  loc-namerica-gospel
                                        'filesize'  1912054
                                           'mtime'  1621627960
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Complete Works 1937 (Document 5CD) 25 Didn_t loc namerica gospel
                                      'tag_artist'  Golden Gate Quartet
                                     'tag_release'  Radio Transcriptions in Chronological Order 1941-1944
                                       'tag_title'  Didn't Old Pharoah Get Lost
                                             'bpm'  112.57
                                    'search_title'  'didn':1 'didnt':3 'get':6 'lost':7 'old':4 'pharoah':5 't':2
                                   'search_artist'  'gate':2 'golden':1 'quartet':3
                                  'search_release'  '1941':6 '19411944':8 '1944':7 'chronological':4 'in':3 'order':5 'radio':1 'transcriptions':2
                                     'search_rest'  '1937':7 '25':12 '5cd':10,11 'complete':5 'country':4 'didn':13 'document':8,9 'exotica':2 'gospel':17 'jazz':1 'loc':15 'namerica':16 'oldies':3 't':14 'works':6
                                    'search_combo'  '1937':25 '1941':16C '19411944':18C '1944':17C '25':30 '5cd':28,29 'chronological':14C 'complete':23 'country':22 'didn':1A,31 'didnt':3A 'document':26,27 'exotica':20 'gate':9B 'get':6A 'golden':8B 'gospel':35 'in':13C 'jazz':19 'loc':33 'lost':7A 'namerica':34 'old':4A 'oldies':21 'order':15C 'pharoah':5A 'quartet':10B 'radio':11C 't':2A,32 'transcriptions':12C 'works':24
                                    'tag_tracknum'  25
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['gospel', 'blues', 'spiritual', 'jazz', 'soul']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627960.4332602  (2021-05-21 22:12:40)
                             'size'  1912054