======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '219'
                                          'artist'  'Dane Van Ronk'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Dave Van Ronk - My Little Grass Shack'
                                           'quals'  ("['Q-OLDST-1', 'Q-UNU-1', 'Q-HAP-2', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['george ellias', 'ellias', 'folk', 'blues', 'singer-songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '127.524'
                                             'key'  '10A'
                                        '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')
'TBPM' (BPM (beats per minute))                     '127.524'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TIT2' (Title/songname/content description)         'Dave Van Ronk - My Little Grass Shack'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Dane Van Ronk'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['george ellias', 'ellias', 'folk', 'blues', 'singer-songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.913245'

========================== row from database ==========================
                                              'id'  1332769
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/Dave Van Ronk - My Little Grass Shack (In Kealakekua, Hawaii).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  219
                                           'genre'  prerock-jb-blues
                                        'filesize'  4382592
                                           'mtime'  1620404492
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean (In Kealakekua, Hawaii) prerock jb blues
                                      'tag_artist'  Dane Van Ronk
                                     'tag_release'  None
                                       'tag_title'  Dave Van Ronk - My Little Grass Shack
                                             'bpm'  127.524
                                    'search_title'  'dave':1 'grass':6 'little':5 'my':4 'ronk':3 'shack':7 'van':2
                                   'search_artist'  'dane':1 'ronk':3 'van':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'blues':11 'clean':2 'hawaii':7,8 'in':3,4 'jb':10 'kealakekua':5,6 'prerock':9
                                    'search_combo'  '00poprockelectronic':11 'blues':21 'clean':12 'dane':8B 'dave':1A 'grass':6A 'hawaii':17,18 'in':13,14 'jb':20 'kealakekua':15,16 'little':5A 'my':4A 'prerock':19 'ronk':3A,10B 'shack':7A 'van':2A,9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['george ellias', 'ellias', 'folk', 'blues', 'singer-songwriter']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620404492.0961714  (2021-05-07 18:21:32)
                             'size'  4382592