======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '622'
                                          'artist'  'Sun Ra'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Sun of the Cosmos'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['free jazz', 'avant garde jazz', 'jazz', 'avant garde', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '6'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-newer-experimental or free'
                                             'bpm'  '146.0'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00 \x00&\x00 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x002\x001\x007\x002\x009\x008\x007\x00;\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x002\x001\x007\x002\x009\x008\x007\x00;\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x0enIªk\x88HF\x8cÄ\t9@9\xa0«'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x0enI\xaak\x88HF\x8c\xc4\t9@9\xa0\xab')
'PRIV:WM/WMCollectionID:\x0enIªk\x88HF\x8cÄ\t9@9\xa0«'  PRIV(owner='WM/WMCollectionID', data=b'\x0enI\xaak\x88HF\x8c\xc4\t9@9\xa0\xab')
'PRIV:WM/WMContentID:\x85àR\x17áÔjI\x84é\x06\x04\x9c¡S\xa0'  PRIV(owner='WM/WMContentID', data=b'\x85\xe0R\x17\xe1\xd4jI\x84\xe9\x06\x04\x9c\xa1S\xa0')
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-newer-experimental or free'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Sun of the Cosmos'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sun Ra'
'TPE2' (Band/orchestra/accompaniment)               'Sun Ra'
'TRCK' (Track number/Position in set)               '2/6'
'TSOP' (Performer sort order)                       'Sun Ra'
'TXXX:MusicBrainz Artist Id'                        'c27cac8e-4c4a-48c0-a4ba-41399b9c176d'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['free jazz', 'avant garde jazz', 'jazz', 'avant garde', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.365932'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'61b0f995-75b7-4d67-8ce9-25334450d7e6')

========================== row from database ==========================
                                              'id'  1378168
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Sun Ra - 2007 - Disco 3000/1.02. Sun Of The Cosmos.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  622
                                           'genre'  prerock-jb-jazz-newer-experimental or free
                                        'filesize'  25012990
                                           'mtime'  1620535672
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 2007 Disco 3000 1.02. Of The prerock jb jazz newer experimental or free
                                      'tag_artist'  Sun Ra
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Sun of the Cosmos
                                             'bpm'  146.0
                                    'search_title'  'cosmos':4 'of':2 'sun':1 'the':3
                                   'search_artist'  'ra':2 'sun':1
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '02':9 '1':8 '102':10 '2007':5 '3000':7 'country':4 'disco':6 'exotica':2 'experimental':16 'free':18 'jazz':1 'jb':14 'newer':15 'of':11 'oldies':3 'or':17 'prerock':13 'the':12
                                    'search_combo'  '02':20 '1':19 '102':21 '2007':16 '3000':18 'album':8C 'cosmos':4A 'country':15 'disco':17 'exotica':13 'experimental':27 'free':29 'jazz':12 'jb':25 'newer':26 'non':7C 'nonalbum':9C 'of':2A,22 'oldies':14 'or':28 'prerock':24 'ra':6B 'sun':1A,5B 'the':3A,23 'tracks':10C,11C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['free jazz', 'avant garde jazz', 'jazz', 'avant garde', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535672.1846435  (2021-05-09 06:47:52)
                             'size'  25012990