======================== unified (from filesystem) ========================
                                         'bitrate'  '148.545'
                                        'duration'  '238'
                                          'artist'  'Tenores de Oniferi'
                                     'text_people'  ''
                                         'release'  'Global Voices: Traditional, Sacred, Contemporary'
                                           'title'  'Serenada de Ierru (Sardinia)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'vocal', 'ethnic', 'italy', 'traditional']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '15'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-style-fusion'
                                             'bpm'  '111.701'
                                             'key'  '4B'
                                        'acoustid'  '068a2c4c-5bef-438b-84c1-f5766a70baf9'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Global Voices: Traditional, Sacred, Contemporary'
'TBPM' (BPM (beats per minute))                     '111.701'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-fusion'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-10-20'
'TIT2' (Title/songname/content description)         'Serenada de Ierru (Sardinia)'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tenores de Oniferi'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/3'
'TPUB' (Publisher)                                  'Music of the World'
'TRCK' (Track number/Position in set)               '10/15'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Tenores de Oniferi'
'TSST' (Set subtitle)                               'Traditional'
'TXXX:ASIN'                                         'B00000DBT7'
'TXXX:Acoustid Id'                                  '068a2c4c-5bef-438b-84c1-f5766a70baf9'
'TXXX:BARCODE'                                      '093785014928'
'TXXX:CATALOGNUMBER'                                'MOW 149'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '3cf0de34-d17a-4768-ad17-783aa3a593da'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '49c09ee1-7285-4b40-bac2-4a263cba8cc1'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['folk', 'vocal', 'ethnic', 'italy', 'traditional']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.522722'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'39c8723f-c0f1-4275-96fc-eccc131945eb')
'UFID:mailto:webmaster@vunetusa.com'                UFID(owner='mailto:webmaster@vunetusa.com', data=b'11022562')
'USER:eng'                                          ('Copyright notice. These materials are protected by United States copyright '
 'law and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
 'distribute, publicly perform, publicly display, or create derivative works '
 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  473356
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Global Voices： Traditional (Music Of The World, 2000) [160-320kvbr]/Traditional_10_Sernada de Ierru Sardinia - Tenores de Oniferi.mp3
                                         'working'  None
                                         'bitrate'  148
                                    'duration_sec'  238
                                           'genre'  loc-style-fusion
                                        'filesize'  4431309
                                           'mtime'  1621629879
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Voices： (Music Of The World, 2000) [160 320kvbr] Traditional_10_Sernada loc style fusion
                                      'tag_artist'  Tenores de Oniferi
                                     'tag_release'  Global Voices: Traditional, Sacred, Contemporary
                                       'tag_title'  Serenada de Ierru (Sardinia)
                                             'bpm'  111.701
                                    'search_title'  'de':2 'ierru':3 'sardinia':4,5 'serenada':1
                                   'search_artist'  'de':2 'oniferi':3 'tenores':1
                                  'search_release'  'contemporary':8 'global':1 'sacred':6,7 'traditional':4,5 'voices':2,3
                                     'search_rest'  '1':4,5,6 '10':22 '160':17,18 '2000':15,16 '320kvbr':19,20 'fusion':26 'loc':24 'music':10,11 'of':12 'sernada':23 'style':25 'the':13 'traditional':21 'va':1,2 'voices':7,8,9 'world':3,14
                                    'search_combo'  '1':20,21,22 '10':38 '160':33,34 '2000':31,32 '320kvbr':35,36 'contemporary':16C 'de':2A,7B 'fusion':42 'global':9C 'ierru':3A 'loc':40 'music':26,27 'of':28 'oniferi':8B 'sacred':14C,15C 'sardinia':4A,5A 'serenada':1A 'sernada':39 'style':41 'tenores':6B 'the':29 'traditional':12C,13C,37 'va':17,18 'voices':10C,11C,23,24,25 'world':19,30
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  4B
                                           '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-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'vocal', 'ethnic', 'italy', 'traditional']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629878.6236253  (2021-05-21 22:44:38)
                             'size'  4431309