======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '121'
                                          'artist'  'Alberto Baldan Bembo'
                                     'text_people'  ''
                                         'release'  'Il Sexy e Pericoloso - An Exclusive Set For Your Private Jet'
                                           'title'  "Trops (F. 'Lingua D'Argento' '75)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', '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']")
                                      'lastfmtags'  "['lounge', 'soundtrack', 'jazz', 'secretagent', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '117.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Il Sexy e Pericoloso - An Exclusive Set For Your Private Jet'
'TBPM' (BPM (beats per minute))                     '117.9'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Trops (F. 'Lingua D'Argento' '75)"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alberto Baldan Bembo'
'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', 'soundtrack', 'jazz', 'secretagent', 'easy listening']
'TXXX:q-bass'                                       '4'
'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'                        '-3.94 dB'
'TXXX:replaygain_track_peak'                        '0.965372'

========================== row from database ==========================
                                              'id'  1523815
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Alberto Baldan Bembo - Trops (F. _Lingua D_Argento_ _75).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  121
                                           'genre'  funk or soul
                                        'filesize'  2932526
                                           'mtime'  1628357790
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s _Lingua D_Argento_ _75) funk soul
                                      'tag_artist'  Alberto Baldan Bembo
                                     'tag_release'  Il Sexy e Pericoloso - An Exclusive Set For Your Private Jet
                                       'tag_title'  Trops (F. 'Lingua D'Argento' '75)
                                             'bpm'  117.9
                                    'search_title'  '75':9,10 'argento':7 'd':6 'dargento':8 'f':2,3 'lingua':4,5 'trops':1
                                   'search_artist'  'alberto':1 'baldan':2 'bembo':3
                                  'search_release'  'an':5 'e':3 'exclusive':6 'for':8 'il':1 'jet':11 'pericoloso':4 'private':10 'set':7 'sexy':2 'your':9
                                     'search_rest'  '70':6 '75':11,12 'argento':10 'd':9 'easy':4 'funk':2 'instr':5 'lingua':8 's':7 'soul':3 'swing':1
                                    'search_combo'  '70':30 '75':9A,10A,35,36 'alberto':11B 'an':18C 'argento':7A,34 'baldan':12B 'bembo':13B 'd':6A,33 'dargento':8A 'e':16C 'easy':28 'exclusive':19C 'f':2A,3A 'for':21C 'funk':26 'il':14C 'instr':29 'jet':24C 'lingua':4A,5A,32 'pericoloso':17C 'private':23C 's':31 'set':20C 'sexy':15C 'soul':27 'swing':25 'trops':1A 'your':22C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           '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-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'soundtrack', 'jazz', 'secretagent', 'easy listening']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357790.1312428  (2021-08-07 19:36:30)
                             'size'  2932526