======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '230'
                                          'artist'  'La Mygale'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Piste 12'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'set-pl-sced'
                                             'bpm'  '93.285'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'D\x00+\x009\x006\x00+\x003\x005\x00C\x00B\x00+\x005\x00F\x000\x00C\x00+\x006\x002\x001\x00C\x00+\x008\x00D\x007\x002\x00+\x00D\x003\x001\x004\x00+\x00D\x00F\x00B\x006\x00+\x001\x001\x001\x005\x00B\x00+\x001\x001\x007\x008\x007\x00+\x001\x004\x00C\x00D\x00B\x00+\x001\x007\x00A\x00F\x002\x00+\x001\x007\x00D\x00D\x00A\x00+\x001\x00C\x001\x006\x00F\x00+\x002\x002\x009\x003\x007\x00\x00\x00')
'PRIV:AverageLevel:\x03-\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x03-\x00\x00')
'PRIV:PeakValue:©{\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa9{\x00\x00')
'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/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '93.285'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-sced'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Piste 12'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '230680'
'TPE1' (Lead performer(s)/Soloist(s))               'La Mygale'
'TPE2' (Band/orchestra/accompaniment)               'La Mygale'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.334896'

========================== row from database ==========================
                                              'id'  1357413
                                            'path'  /data/Music/Bulk/0playlists/La Mygale/[2007] Unknown Album/12 Piste 12.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  230
                                           'genre'  set-pl-sced
                                        'filesize'  3683841
                                           'mtime'  1638551208
                                   'redo_metaread'  0
                                        'rest_str'   0playlists [2007] Unknown Album set pl sced
                                      'tag_artist'  La Mygale
                                     'tag_release'  None
                                       'tag_title'  Piste 12
                                             'bpm'  93.285
                                    'search_title'  'piste':1
                                   'search_artist'  'la':1 'mygale':2
                                  'search_release'  
                                     'search_rest'  '0playlists':1 '2007':2,3 'album':5 'pl':7 'sced':8 'set':6 'unknown':4
                                    'search_combo'  '0playlists':4 '2007':5,6 'album':8 'la':2B 'mygale':3B 'piste':1A 'pl':10 'sced':11 'set':9 'unknown':7
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638551207.6647584  (2021-12-03 18:06:47)
                             'size'  3683841