======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '285'
                                          'artist'  "Gigi D'agostino"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Riddle'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'trance', 'techno', 'electronic', 'eurodance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-why do i keep this'
                                             'bpm'  '126.885'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'PCNT' (Play counter)                               PCNT(count=0)
'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))                     '126.885'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-why do i keep this'
'TIT2' (Title/songname/content description)         'The Riddle'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '285000'
'TPE1' (Lead performer(s)/Soloist(s))               "Gigi D'agostino"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'trance', 'techno', 'electronic', 'eurodance']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.03 dB'
'TXXX:replaygain_track_peak'                        '0.536711'

========================== row from database ==========================
                                              'id'  1521879
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Gigi D_Agostino - The Riddle.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  285
                                           'genre'  entertaining-why do i keep this
                                        'filesize'  4564992
                                           'mtime'  1621695847
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat D_Agostino entertaining why do keep this
                                      'tag_artist'  Gigi D'agostino
                                     'tag_release'  None
                                       'tag_title'  The Riddle
                                             'bpm'  126.885
                                    'search_title'  'riddle':2 'the':1
                                   'search_artist'  'agostino':3 'd':2 'dagostino':4 'gigi':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'agostino':6 'd':5 'dance':3 'do':9 'entertaining':7 'generic':2 'keep':10 'this':11 'trapbeat':4 'why':8
                                    'search_combo'  '00poprockelectronic':7 'agostino':5B,12 'd':4B,11 'dagostino':6B 'dance':9 'do':15 'entertaining':13 'generic':8 'gigi':3B 'keep':16 'riddle':2A 'the':1A 'this':17 'trapbeat':10 'why':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'techno', 'electronic', 'eurodance']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621695847.314241  (2021-05-22 17:04:07)
                             'size'  4564992