======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '169'
                                          'artist'  "Franco De Gemini - (F. 'Si può fare molto con 7 donne')"
                                     'text_people'  ''
                                         'release'  'She Had A Taste For Music (Comp.)'
                                           'title'  "Cairo Night ('71)"
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'B6'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '129.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000001C8 000001CB 000005AC 00000570 0001D505 0001D505 0000564A 000054BE '
 '00002755 00002755')
'TALB' (Album/Movie/Show title)                     'She Had A Taste For Music (Comp.)'
'TBPM' (BPM (beats per minute))                     '129.5'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'Tag&Rename 3.0.6'
'TIT2' (Title/songname/content description)         "Cairo Night ('71)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Franco De Gemini - (F. 'Si può fare molto con 7 donne')"
'TRCK' (Track number/Position in set)               'B6'
'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'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-5.20 dB'
'TXXX:replaygain_track_peak'                        '0.897045'

========================== row from database ==========================
                                              'id'  1523498
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Franco De Gemini - (F. _Si può fare molto con 7 donne_) - Cairo Night (_71).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  169
                                           'genre'  funk or soul
                                        'filesize'  6803948
                                           'mtime'  1628357827
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s _Si donne_) (_71) funk soul
                                      'tag_artist'  Franco De Gemini - (F. 'Si può fare molto con 7 donne')
                                     'tag_release'  She Had A Taste For Music (Comp.)
                                       'tag_title'  Cairo Night ('71)
                                             'bpm'  129.5
                                    'search_title'  '71':3,4 'cairo':1 'night':2
                                   'search_artist'  '7':13 'con':12 'de':2 'donne':14,15 'f':4,5 'fare':10 'franco':1 'gemini':3 'molto':11 'puo':8,9 'si':6,7
                                  'search_release'  'a':3 'comp':7,8 'for':5 'had':2 'music':6 'she':1 'taste':4
                                     'search_rest'  '70':6 '71':11,12 'donne':9,10 'easy':4 'funk':2 'instr':5 's':7 'si':8 'soul':3 'swing':1
                                    'search_combo'  '7':17B '70':33 '71':3A,4A,38,39 'a':22C 'cairo':1A 'comp':26C,27C 'con':16B 'de':6B 'donne':18B,19B,36,37 'easy':31 'f':8B,9B 'fare':14B 'for':24C 'franco':5B 'funk':29 'gemini':7B 'had':21C 'instr':32 'molto':15B 'music':25C 'night':2A 'puo':12B,13B 's':34 'she':20C 'si':10B,11B,35 'soul':30 'swing':28 'taste':23C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357827.087317  (2021-08-07 19:37:07)
                             'size'  6803948