======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '133'
                                          'artist'  "Franco Micalizzi - (F. 'Il cinico, l'infame, il violento')"
                                     'text_people'  ''
                                         'release'  "iL Cinico L'infame iL Violento"
                                           'title'  "Fiato Sospeso ('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-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '119.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000060E 00000154 00001FC8 00000D5C 000157C6 0001BE6D 00007F4D 00005273 '
 '00006BA7 0001C2D0')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B19 000000000059BCD7 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     "iL Cinico L'infame iL Violento"
'TBPM' (BPM (beats per minute))                     '119.3'
'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)         "Fiato Sospeso ('77)"
'TKEY' (Initial key)                                '6A'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.929596'

========================== row from database ==========================
                                              'id'  1524133
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Franco Micalizzi - (F. _Il cinico, l_infame, il violento_) - Fiato Sospeso (_77).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  133
                                           'genre'  funk or soul
                                        'filesize'  2137101
                                           'mtime'  1628357827
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s _Il l_infame, violento_) (_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'  Fiato Sospeso ('77)
                                             'bpm'  119.3
                                    'search_title'  '77':3,4 'fiato':1 'sospeso':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':15,16 'easy':4 'funk':2 'il':8 'infame':10,12 'instr':5 'l':9,11 'or':17 's':7 'soul':3 'swing':1 'violento':13,14
                                    'search_combo'  '70':31 '77':3A,4A,40,41 'cinico':11B,12B,19C 'easy':29 'f':7B,8B 'fiato':1A 'franco':5B 'funk':27 'i':24C 'il':9B,10B,18C,33 'infame':14B,21C,35,37 'instr':30 'l':13B,20C,25C,34,36 'linfame':15B,22C 'micalizzi':6B 'or':42 's':32 'sospeso':2A 'soul':28 'swing':26 'violento':16B,17B,23C,38,39
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', '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-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357827.2577243  (2021-08-07 19:37:07)
                             'size'  2137101