======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '213'
                                          'artist'  'Johnny Pacheco & Daniel Santos'
                                     'text_people'  'Daniel Santos/J Mora'
                                         'release'  'Los Distinguidos'
                                           'title'  'Patricia'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['salsa', 'latin', 'fania', 'chill906', 'dance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'loc-islands'
                                             'bpm'  '124.5'
                                             'key'  '8B'
                                        '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'          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\x009\x008\x003\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x003\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x007\x001\x001\x006\x006\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x009\x008\x003\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x003\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x007\x001\x001\x006\x006\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x9f\x93\x1eÊ]¶ÄB\x95ßo|\x8b2Íî'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x9f\x93\x1e\xca]\xb6\xc4B\x95\xdfo|\x8b2\xcd\xee')
'PRIV:WM/WMCollectionID:\x9f\x93\x1eÊ]¶ÄB\x95ßo|\x8b2Íî'  PRIV(owner='WM/WMCollectionID', data=b'\x9f\x93\x1e\xca]\xb6\xc4B\x95\xdfo|\x8b2\xcd\xee')
'PRIV:WM/WMContentID:0´ìMÏ\x80\x18H\x9bE\x01Aè`\xa0ï'  PRIV(owner='WM/WMContentID', data=b'0\xb4\xecM\xcf\x80\x18H\x9bE\x01A\xe8`\xa0\xef')
'TALB' (Album/Movie/Show title)                     'Los Distinguidos'
'TBPM' (BPM (beats per minute))                     '124.5'
'TCOM' (Composer)                                   'Daniel Santos/J Mora'
'TCON' (Content type, a.k.a. Genre)                 'loc-islands'
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Patricia'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '214173'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Pacheco & Daniel Santos'
'TPE2' (Band/orchestra/accompaniment)               'Johnny Pacheco & Daniel Santos'
'TPUB' (Publisher)                                  'Fania'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['salsa', 'latin', 'fania', 'chill906', 'dance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.43 dB'
'TXXX:replaygain_track_peak'                        '0.504723'

========================== row from database ==========================
                                              'id'  728393
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/johnny pacheco & daniel santos - los distinguidos [1979]/02 - Patricia.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  213
                                           'genre'  loc-islands
                                        'filesize'  3436420
                                           'mtime'  1621695792
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm johnny pacheco daniel santos los distinguidos [1979] 02 loc islands
                                      'tag_artist'  Johnny Pacheco & Daniel Santos
                                     'tag_release'  Los Distinguidos
                                       'tag_title'  Patricia
                                             'bpm'  124.5
                                    'search_title'  'patricia':1
                                   'search_artist'  'daniel':3 'johnny':1 'pacheco':2 'santos':4
                                  'search_release'  'distinguidos':2 'los':1
                                     'search_rest'  '1979':7,8 'daniel':3 'distinguidos':6 'islands':10 'johnny':1 'loc':9 'los':5 'pacheco':2 'santos':4
                                    'search_combo'  '1979':14,15 'daniel':4B,10 'distinguidos':7C,13 'islands':17 'johnny':2B,8 'loc':16 'los':6C,12 'pacheco':3B,9 'patricia':1A 'santos':5B,11
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['salsa', 'latin', 'fania', 'chill906', 'dance']
                                        'tag_date'  1979
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695791.8056908  (2021-05-22 17:03:11)
                             'size'  3436420