======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '242'
                                          'artist'  'Ludovico Einaudi & Ballaké Sissoko'
                                     'text_people'  ''
                                         'release'  'Diario Mali'
                                           'title'  'Laissez-moi en paix'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-3', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'piano', 'italian', 'classical', 'african']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '10'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '101'
                                             'key'  '7B'
                                        'acoustid'  '6fb9815c-b14a-4de8-a035-92f0a18fceae'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/WMCollectionID:÷2]Öç¤ìL\x94ÔðJÔ&êH'        PRIV(owner='WM/WMCollectionID', data=b'\xf72]\xd6\xe7\xa4\xecL\x94\xd4\xf0J\xd4&\xeaH')
'PRIV:WM/WMContentID:7)1À\x82$éB\x82ü«¦£Ó:O'        PRIV(owner='WM/WMContentID', data=b'7)1\xc0\x82$\xe9B\x82\xfc\xab\xa6\xa3\xd3:O')
'TALB' (Album/Movie/Show title)                     'Diario Mali'
'TBPM' (BPM (beats per minute))                     '101'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Laissez-moi en paix'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ludovico Einaudi & Ballaké Sissoko'
'TPE2' (Band/orchestra/accompaniment)               'Ludovico Einaudi & Ballaké Sissoko'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ponderosa Music & Art'
'TRCK' (Track number/Position in set)               '1/10'
'TSO2'                                              'Einaudi, Ludovico & Sissoko, Ballaké'
'TSOP' (Performer sort order)                       'Einaudi, Ludovico & Sissoko, Ballaké'
'TSRC' (ISRC (international standard recording code))  'ITC490300012'
'TXXX:ASIN'                                         'B0009Z662W'
'TXXX:Acoustid Id'                                  '6fb9815c-b14a-4de8-a035-92f0a18fceae'
'TXXX:Artists'                                      'Ludovico Einaudi/Ballaké Sissoko'
'TXXX:BARCODE'                                      '8030482000177'
'TXXX:CATALOGNUMBER'                                'PD CD018'
'TXXX:MusicBrainz Album Artist Id'                  'fa34b363-79df-434f-a5b8-be4e6898543f/da8ac8ac-2155-4baa-8605-973175bab92b'
'TXXX:MusicBrainz Album Id'                         '2f4469e3-2d26-41fd-8909-32cf60d69d8f'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fa34b363-79df-434f-a5b8-be4e6898543f/da8ac8ac-2155-4baa-8605-973175bab92b'
'TXXX:MusicBrainz Release Group Id'                 '8580754c-ca95-32e5-93d2-d2feb0b08c9c'
'TXXX:MusicBrainz Release Track Id'                 'ab19055c-2f8d-343d-ba90-85eb2d0498c9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'piano', 'italian', 'classical', 'african']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.725110'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a324fa24-96a4-4398-821b-6f2fe76ee6b0')

========================== row from database ==========================
                                              'id'  1311426
                                            'path'  /data/Music/Bulk/00instruments-classical/Ludovico Einaudi & Ballaké Sissoko - Ludovico Einaudi & Ballak?? Sissoko/Diario Mali/01.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  242
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  3931697
                                           'mtime'  1620574188
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical Ballak?? 01 prerock classical or classical instruments
                                      'tag_artist'  Ludovico Einaudi & Ballaké Sissoko
                                     'tag_release'  Diario Mali
                                       'tag_title'  Laissez-moi en paix
                                             'bpm'  101.0
                                    'search_title'  'en':4 'laissez':1 'laissezmoi':3 'moi':2 'paix':5
                                   'search_artist'  'ballake':3,4 'einaudi':2 'ludovico':1 'sissoko':5
                                  'search_release'  'diario':1 'mali':2
                                     'search_rest'  '00instruments':1 'ballak':3 'classical':2 'instruments':6 'or':5 'prerock':4
                                    'search_combo'  '00instruments':13 'ballak':15 'ballake':8B,9B 'classical':14 'diario':11C 'einaudi':7B 'en':4A 'instruments':18 'laissez':1A 'laissezmoi':3A 'ludovico':6B 'mali':12C 'moi':2A 'or':17 'paix':5A 'prerock':16 'sissoko':10B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'piano', 'italian', 'classical', 'african']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620574187.921792  (2021-05-09 17:29:47)
                             'size'  3931697