======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '144'
                                          'artist'  'Perez Prado'
                                     'text_people'  'Ignacio Fernandez Esperon'
                                         'release'  'Mambo'
                                           'title'  'Guaglione'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['mambo', 'latin', 'cuban', 'instrumental', 'jazz']"
                                     'discogstags'  "['jazz', 'latin', 'latin jazz', 'afro-cuban', 'mambo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '88.322'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-334 POS 53'
'COMM:ID3v1 Comment:XXX'                            '58-334 POS 53'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x001\x00+\x00B\x007\x00+\x002\x00A\x001\x00F\x00+\x005\x005\x001\x00C\x00+\x007\x00B\x002\x00D\x00+\x00A\x005\x00A\x008\x00+\x00C\x00F\x00D\x008\x00+\x00F\x004\x007\x007\x00+\x001\x002\x006\x005\x00E\x00+\x001\x005\x002\x009\x00B\x00+\x001\x007\x000\x00A\x00F\x00+\x001\x00A\x000\x002\x005\x00+\x001\x00C\x00D\x005\x00C\x00+\x001\x00F\x007\x00E\x003\x00+\x002\x002\x001\x000\x00D\x00+\x002\x004\x00E\x00B\x007\x00+\x002\x006\x00F\x003\x009\x00+\x002\x00A\x001\x00A\x00A\x00+\x002\x00C\x00D\x000\x006\x00\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:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMCollectionID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMContentID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMContentID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Mambo'
'TBPM' (BPM (beats per minute))                     '88.322'
'TCOM' (Composer)                                   'Ignacio Fernandez Esperon'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Guaglione'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '144000'
'TPE1' (Lead performer(s)/Soloist(s))               'Perez Prado & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Perez Prado'
'TPUB' (Publisher)                                  'BMG Ariola'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'latin', 'latin jazz', 'afro-cuban', 'mambo']
'TXXX:lastfmtags'                                   ['mambo', 'latin', 'cuban', 'instrumental', 'jazz']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.474421'

========================== row from database ==========================
                                              'id'  1451220
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-334 - Perez Prado & His Orchestra - Guaglione.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  144
                                           'genre'  prerock-band
                                        'filesize'  5765120
                                           'mtime'  1620561397
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 334 & His Orchestra prerock band
                                      'tag_artist'  Perez Prado
                                     'tag_release'  Mambo
                                       'tag_title'  Guaglione
                                             'bpm'  88.322
                                    'search_title'  'guaglione':1
                                   'search_artist'  'perez':1 'prado':2
                                  'search_release'  'mambo':1
                                     'search_rest'  '00oldiepop':5 '1958':6 '334':8 '58':7 'band':12 'country':4 'exotica':2 'his':9 'jazz':1 'oldies':3 'orchestra':10 'prerock':11
                                    'search_combo'  '00oldiepop':9 '1958':10 '334':12 '58':11 'band':16 'country':8 'exotica':6 'guaglione':1A 'his':13 'jazz':5 'mambo':4C 'oldies':7 'orchestra':14 'perez':2B 'prado':3B 'prerock':15
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['mambo', 'latin', 'cuban', 'instrumental', 'jazz']
                                        'tag_date'  1958
                                     'discogstags'  ['jazz', 'latin', 'latin jazz', 'afro-cuban', 'mambo']

============================== file details ==============================
                                           'mtime'  1620561396.6759918  (2021-05-09 13:56:36)
                             'size'  5765120