======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '105'
                                          'artist'  'Nightbirds'
                                     'text_people'  ''
                                         'release'  "60's Italian Beat Resurrection Vol. 1"
                                           'title'  'Quelli'
                                           'quals'  ("['Q-OLDST-2', 'Q-SYN-1', 'Q-UNU-1', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', "
 "'q-bass-4', 'Q-CHART-2', 'Q-JZFKS-1', 'q-drums-3', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '137.0'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '[ITA]'
'COMM:ID3v1 Comment:eng'                            '[ITA]'
'TALB' (Album/Movie/Show title)                     "60's Italian Beat Resurrection Vol. 1"
'TBPM' (BPM (beats per minute))                     '137.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TIT2' (Title/songname/content description)         'Quelli'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nightbirds'
'TPE2' (Band/orchestra/accompaniment)               'Various Artist'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_album_gain'                        '-7.05 dB'
'TXXX:replaygain_album_peak'                        '1.124376'
'TXXX:replaygain_track_gain'                        '-6.71 dB'
'TXXX:replaygain_track_peak'                        '1.038133'

========================== row from database ==========================
                                              'id'  1532137
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/VA - 60_s Italian Beat Resurrection Vol. 01/08. Nightbirds - Quelli.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  105
                                           'genre'  rock-unsorted
                                        'filesize'  2637854
                                           'mtime'  1636912601
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy VA 60_s 01 08. rock unsorted
                                      'tag_artist'  Nightbirds
                                     'tag_release'  60's Italian Beat Resurrection Vol. 1
                                       'tag_title'  Quelli
                                             'bpm'  137.0
                                    'search_title'  'quelli':1
                                   'search_artist'  'nightbirds':1
                                  'search_release'  '1':9 '60':1 '60s':3 'beat':5 'italian':4 'resurrection':6 's':2 'vol':7,8
                                     'search_rest'  '08':5,6 '60':3 'classicprogpsy':1 'rock':7 's':4 'unsorted':8 'va':2
                                    'search_combo'  '08':16,17 '1':11C '60':3C,14 '60s':5C 'beat':7C 'classicprogpsy':12 'italian':6C 'nightbirds':2B 'quelli':1A 'resurrection':8C 'rock':18 's':4C,15 'unsorted':19 'va':13 'vol':9C,10C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912600.5210247  (2021-11-14 18:56:40)
                             'size'  2637854