======================== unified (from filesystem) ========================
                                         'bitrate'  '212.225'
                                        'duration'  '154'
                                          'artist'  'Piero Piccioni'
                                     'text_people'  ''
                                         'release'  'How To Save A Bus Ride'
                                           'title'  "Piero Piccioni - Babylon I'm Coming"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'jazz', 'secretagent', 'somafm', 'soundtrack', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '88'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'How To Save A Bus Ride'
'TBPM' (BPM (beats per minute))                     '88'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         "Piero Piccioni - Babylon I'm Coming"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Piero Piccioni'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '0/0'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'jazz', 'secretagent', 'somafm', 'soundtrack', 'italian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.51 dB'
'TXXX:replaygain_track_peak'                        '0.591366'

========================== row from database ==========================
                                              'id'  1501115
                                            'path'  /data/Music/Bulk/0soundtrack/VA - How To Save A  Bus Ride/02 - Piero_Piccioni_-_Babylon_I_m_Coming.mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  154
                                           'genre'  soundtrack-video-movies
                                        'filesize'  4299932
                                           'mtime'  1678984033
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack VA 02 Piero_Piccioni_ _Babylon_I_m_Coming soundtrack video movies
                                      'tag_artist'  Piero Piccioni
                                     'tag_release'  How To Save A Bus Ride
                                       'tag_title'  Piero Piccioni - Babylon I'm Coming
                                             'bpm'  88.0
                                    'search_title'  'babylon':3 'coming':7 'i':4 'im':6 'm':5 'piccioni':2 'piero':1
                                   'search_artist'  'piccioni':2 'piero':1
                                  'search_release'  'a':4 'bus':5 'how':1 'ride':6 'save':3 'to':2
                                     'search_rest'  '0soundtrack':1 'babylon':5 'coming':8 'i':6 'm':7 'movies':11 'piccioni':4 'piero':3 'soundtrack':9 'va':2 'video':10
                                    'search_combo'  '0soundtrack':16 'a':13C 'babylon':3A,20 'bus':14C 'coming':7A,23 'how':10C 'i':4A,21 'im':6A 'm':5A,22 'movies':26 'piccioni':2A,9B,19 'piero':1A,8B,18 'ride':15C 'save':12C 'soundtrack':24 'to':11C 'va':17 'video':25
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['lounge', 'jazz', 'secretagent', 'somafm', 'soundtrack', 'italian']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678984032.934679  (2023-03-16 17:27:12)
                             'size'  4299932