======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '112'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'Vienna Moods'
                                           'title'  'Pizzicato Polka'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-CHART-2', 'Q-MIXBEAT-1', "
 "'q-bass-2', 'q-play-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1']")
                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '85.5'
                                             'key'  '8A'
                                        'acoustid'  '9155037e-2664-4ff9-874d-56acdb0a00a6'
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'          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 \x00 \x002\x007\x002\x006\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x001\x008\x008\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x007\x003\x003\x002\x006\x006\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x002\x007\x002\x006\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x001\x008\x008\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x007\x003\x003\x002\x006\x006\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x99²?êWÔ\x16Fª°\\\x9aÏùìA'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x99\xb2?\xeaW\xd4\x16F\xaa\xb0\\\x9a\xcf\xf9\xecA')
'PRIV:WM/WMCollectionID:\x99²?êWÔ\x16Fª°\\\x9aÏùìA'  PRIV(owner='WM/WMCollectionID', data=b'\x99\xb2?\xeaW\xd4\x16F\xaa\xb0\\\x9a\xcf\xf9\xecA')
'PRIV:WM/WMContentID:o;¼i\x84Ö\x9aO\x8doþ\x13l\x15g\x88'  PRIV(owner='WM/WMContentID', data=b'o;\xbci\x84\xd6\x9aO\x8do\xfe\x13l\x15g\x88')
'TALB' (Album/Movie/Show title)                     'Vienna Moods'
'TBPM' (BPM (beats per minute))                     '85.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1983'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Pizzicato Polka'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'Cassette'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Alshire Records'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TXXX:Acoustid Id'                                  '9155037e-2664-4ff9-874d-56acdb0a00a6'
'TXXX:Artists'                                      '101 Strings Orchestra'
'TXXX:CATALOGNUMBER'                                'ALSC-5023'
'TXXX:MusicBrainz Album Artist Id'                  '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Album Id'                         '0a17d7ea-3168-4372-94ae-b012bce096b0'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Release Group Id'                 'cbf810ec-b358-4376-918d-9251a065ad96'
'TXXX:MusicBrainz Release Track Id'                 '51006c2b-87ad-3ab2-bcb5-6680966add8c'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1983'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.79 dB'
'TXXX:replaygain_track_peak'                        '0.865397'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'183692d5-4f33-4534-8319-324c67259687')

========================== row from database ==========================
                                              'id'  1479488
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1972 - Mood Vienna/03 - Pizzicato Polka.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  112
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  4505516
                                           'mtime'  1621705534
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1972 03 electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Vienna Moods
                                       'tag_title'  Pizzicato Polka
                                             'bpm'  85.5
                                    'search_title'  'pizzicato':1 'polka':2
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'moods':2 'vienna':1
                                     'search_rest'  '1972':6 'country':4 'easy':11 'electronic':7 'exotica':2 'generic':8 'jazz':1 'listening':12 'oldies':3 'or':9 'radio':10 'the':5
                                    'search_combo'  '101':3B '1972':13 'country':11 'easy':18 'electronic':14 'exotica':9 'generic':15 'jazz':8 'listening':19 'moods':7C 'oldies':10 'or':16 'orchestra':5B 'pizzicato':1A 'polka':2A 'radio':17 'strings':4B 'the':12 'vienna':6C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-2']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705534.0328453  (2021-05-22 19:45:34)
                             'size'  4505516