======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '190'
                                          'artist'  'Papa Charlie Jackson'
                                     'text_people'  ''
                                         'release'  'DOCD 5089'
                                           'title'  "You Put It In, I'll Take It Out"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['blues', 'folk', 'banjo', '20s', 'papa charlie jackson']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '138.040'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TALB' (Album/Movie/Show title)                     'DOCD 5089'
'TBPM' (BPM (beats per minute))                     '138.040'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         "You Put It In, I'll Take It Out"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Papa Charlie Jackson'
'TPOS' (Part of a set)                              '3'
'TRCK' (Track number/Position in set)               '25'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['blues', 'folk', 'banjo', '20s', 'papa charlie jackson']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.21 dB'
'TXXX:replaygain_track_peak'                        '0.537311'

========================== row from database ==========================
                                              'id'  1521484
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Papa Charlie Jackson - You Put It In, I_ll Take It Out (1934).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  190
                                           'genre'  set-pl-spelling
                                        'filesize'  2341027
                                           'mtime'  1620356386
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling I_ll (1934) set pl spelling
                                      'tag_artist'  Papa Charlie Jackson
                                     'tag_release'  DOCD 5089
                                       'tag_title'  You Put It In, I'll Take It Out
                                             'bpm'  138.04
                                    'search_title'  'i':6 'ill':8 'in':4,5 'it':3 'll':7 'out':10 'put':2 'take':9 'you':1
                                   'search_artist'  'charlie':2 'jackson':3 'papa':1
                                  'search_release'  '5089':2 'docd':1
                                     'search_rest'  '0novelty':2 '0playlists':1 '1934':7,8 'i':5 'll':6 'pl':10 'set':9 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':17 '0playlists':16 '1934':22,23 '5089':15C 'charlie':12B 'docd':14C 'i':6A,20 'ill':8A 'in':4A,5A 'it':3A 'jackson':13B 'll':7A,21 'out':10A 'papa':11B 'pl':25 'put':2A 'set':24 'spelling':19 'take':9A 'themes':18 'you':1A
                                    'tag_tracknum'  25
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'folk', 'banjo', '20s', 'papa charlie jackson']
                                        'tag_date'  1934
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620356386.138682  (2021-05-07 04:59:46)
                             'size'  2341027