======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '103'
                                          'artist'  "Franco Micalizzi - (F. 'Il cinico, l'infame, il violento')"
                                     'text_people'  ''
                                         'release'  "iL Cinico L'infame iL Violento"
                                           'title'  "Senza Via D'uscita ('77)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-2', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '94.9'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000ACB 00000105 00004AB9 000023E8 00001729 00017E58 000076BB 000080CB '
 '000167B1 0000054E')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009FB 00000000004547F5 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     "iL Cinico L'infame iL Violento"
'TBPM' (BPM (beats per minute))                     '94.9'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'iTunes v6.0.1'
'TIT2' (Title/songname/content description)         "Senza Via D'uscita ('77)"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               "Franco Micalizzi - (F. 'Il cinico, l'infame, il violento')"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.52 dB'
'TXXX:replaygain_track_peak'                        '0.995391'

========================== row from database ==========================
                                              'id'  1532535
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Franco Micalizzi - (F. _Il cinico, l_infame, il violento_) - Senza Via D_uscita (_77).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  103
                                           'genre'  funk or soul
                                        'filesize'  1650601
                                           'mtime'  1628357828
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s _Il l_infame, violento_) D_uscita (_77) funk or soul
                                      'tag_artist'  Franco Micalizzi - (F. 'Il cinico, l'infame, il violento')
                                     'tag_release'  iL Cinico L'infame iL Violento
                                       'tag_title'  Senza Via D'uscita ('77)
                                             'bpm'  94.9
                                    'search_title'  '77':6,7 'd':3 'duscita':5 'senza':1 'uscita':4 'via':2
                                   'search_artist'  'cinico':7,8 'f':3,4 'franco':1 'il':5,6 'infame':10 'l':9 'linfame':11 'micalizzi':2 'violento':12,13
                                  'search_release'  'cinico':2 'i':7 'il':1 'infame':4 'l':3,8 'linfame':5 'violento':6
                                     'search_rest'  '70':6 '77':17,18 'd':15 'easy':4 'funk':2 'il':8 'infame':10,12 'instr':5 'l':9,11 'or':19 's':7 'soul':3 'swing':1 'uscita':16 'violento':13,14
                                    'search_combo'  '70':34 '77':6A,7A,45,46 'cinico':14B,15B,22C 'd':3A,43 'duscita':5A 'easy':32 'f':10B,11B 'franco':8B 'funk':30 'i':27C 'il':12B,13B,21C,36 'infame':17B,24C,38,40 'instr':33 'l':16B,23C,28C,37,39 'linfame':18B,25C 'micalizzi':9B 'or':47 's':35 'senza':1A 'soul':31 'swing':29 'uscita':4A,44 'via':2A 'violento':19B,20B,26C,41,42
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-2', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357827.8527048  (2021-08-07 19:37:07)
                             'size'  1650601