======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '177'
                                          'artist'  'lionel belasco & his orchestra'
                                     'text_people'  ''
                                         'release'  'history of carnival'
                                           'title'  'juliane'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-2', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['calypso', 'trinidad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1933'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '122.882'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'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 \x00 \x002\x003\x005\x008\x005\x000\x00;\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x003\x005\x008\x005\x000\x00;\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:òf\x98-ÅB\x1eO\x8b\x94\x11\x04o\x88+]'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xf2f\x98-\xc5B\x1eO\x8b\x94\x11\x04o\x88+]')
'PRIV:WM/WMCollectionID:òf\x98-ÅB\x1eO\x8b\x94\x11\x04o\x88+]'  PRIV(owner='WM/WMCollectionID', data=b'\xf2f\x98-\xc5B\x1eO\x8b\x94\x11\x04o\x88+]')
'PRIV:WM/WMContentID:%\x08è\x90C0\x19I\x85Y\x89hjg-)'  PRIV(owner='WM/WMContentID', data=b'%\x08\xe8\x90C0\x19I\x85Y\x89hjg-)')
'TALB' (Album/Movie/Show title)                     'history of carnival'
'TBPM' (BPM (beats per minute))                     '122.882'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1933'
'TENC' (Encoded by)                                 'ggs'
'TIT2' (Title/songname/content description)         'juliane'
'TKEY' (Initial key)                                '12B'
'TOAL' (Original album/movie/show title)            'mbd 905 / mbd 905'
'TPE1' (Lead performer(s)/Soloist(s))               'lionel belasco & his orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Matchbox Recordings'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['calypso', 'trinidad']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.82 dB'
'TXXX:replaygain_track_peak'                        '0.528303'

========================== row from database ==========================
                                              'id'  672768
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/history of carnival/history of carnival - 13 - lionel belasco & his orchestra - juliane.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  177
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4264145
                                           'mtime'  1620537501
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 13 prerock jb jazz lounge exotica bossa
                                      'tag_artist'  lionel belasco & his orchestra
                                     'tag_release'  history of carnival
                                       'tag_title'  juliane
                                             'bpm'  122.882
                                    'search_title'  'juliane':1
                                   'search_artist'  'belasco':2 'his':3 'lionel':1 'orchestra':4
                                  'search_release'  'carnival':3 'history':1 'of':2
                                     'search_rest'  'bossa':8 'country':4 'exotica':2 'jazz':1 'jb':6 'lounge':7 'oldies':3 'prerock':5
                                    'search_combo'  'belasco':3B 'bossa':16 'carnival':8C 'country':12 'exotica':10 'his':4B 'history':6C 'jazz':9 'jb':14 'juliane':1A 'lionel':2B 'lounge':15 'of':7C 'oldies':11 'orchestra':5B 'prerock':13
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['calypso', 'trinidad']
                                        'tag_date'  1933
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537501.2214823  (2021-05-09 07:18:21)
                             'size'  4264145