======================== unified (from filesystem) ========================
                                         'bitrate'  '220.746'
                                        'duration'  '123'
                                          'artist'  'Amedeo Tommasi'
                                     'text_people'  ''
                                         'release'  'Flipper Psychout'
                                           'title'  'Suspence Magico N°1 (pz.v.)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'jazz', 'electronic', 'library music', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '146.0'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000003F0 00000415 00000FE4 00001097 00015FA7 00015FA7 000048E4 00004A82 '
 '00015FA7 00015FA7')
'TALB' (Album/Movie/Show title)                     'Flipper Psychout'
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Suspence Magico N°1 (pz.v.)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Amedeo Tommasi'
'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'                                   ['soundtrack', 'jazz', 'electronic', 'library music', 'italian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-3.57 dB'
'TXXX:replaygain_track_peak'                        '0.965717'

========================== row from database ==========================
                                              'id'  1529753
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Amedeo Tommasi - Suspence Magico N°1 (pz.v.).mp3
                                         'working'  None
                                         'bitrate'  220
                                    'duration_sec'  123
                                           'genre'  funk or soul
                                        'filesize'  3414781
                                           'mtime'  1628357792
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s funk or soul
                                      'tag_artist'  Amedeo Tommasi
                                     'tag_release'  Flipper Psychout
                                       'tag_title'  Suspence Magico N°1 (pz.v.)
                                             'bpm'  146.0
                                    'search_title'  '1':4 'magico':2 'n':3 'pz':5 'pzv':7 'suspence':1 'v':6
                                   'search_artist'  'amedeo':1 'tommasi':2
                                  'search_release'  'flipper':1 'psychout':2
                                     'search_rest'  '70':6 'easy':4 'funk':2 'instr':5 'or':8 's':7 'soul':3 'swing':1
                                    'search_combo'  '1':4A '70':17 'amedeo':8B 'easy':15 'flipper':10C 'funk':13 'instr':16 'magico':2A 'n':3A 'or':19 'psychout':11C 'pz':5A 'pzv':7A 's':18 'soul':14 'suspence':1A 'swing':12 'tommasi':9B 'v':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'jazz', 'electronic', 'library music', 'italian']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357792.2579176  (2021-08-07 19:36:32)
                             'size'  3414781