======================== unified (from filesystem) ========================
                                         'bitrate'  '227.78'
                                        'duration'  '184'
                                          'artist'  'Capuano e la sua Orchestra'
                                     'text_people'  ''
                                         'release'  'Easy Instr 70s'
                                           'title'  "Dragster ('70)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', '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-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'  '104.6'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000600 000004EA 000018D5 00000DE8 00015F53 000024FA 00005D64 0000612D '
 '000024E3 00013782')
'TALB' (Album/Movie/Show title)                     'Easy Instr 70s'
'TBPM' (BPM (beats per minute))                     '104.6'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Dragster ('70)"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Capuano e la sua Orchestra'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.597379'

========================== row from database ==========================
                                              'id'  1523843
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Capuano e la sua Orchestra - Dragster (_70).mp3
                                         'working'  None
                                         'bitrate'  227
                                    'duration_sec'  184
                                           'genre'  funk or soul
                                        'filesize'  5263210
                                           'mtime'  1628357803
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY 70_s (_70) funk or soul
                                      'tag_artist'  Capuano e la sua Orchestra
                                     'tag_release'  Easy Instr 70s
                                       'tag_title'  Dragster ('70)
                                             'bpm'  104.6
                                    'search_title'  '70':2,3 'dragster':1
                                   'search_artist'  'capuano':1 'e':2 'la':3 'orchestra':5 'sua':4
                                  'search_release'  '70s':3 'easy':1 'instr':2
                                     'search_rest'  '70':5,7,8 'easy':4 'funk':2 'or':9 's':6 'soul':3 'swing':1
                                    'search_combo'  '70':2A,3A,16,18,19 '70s':11C 'capuano':4B 'dragster':1A 'e':5B 'easy':9C,15 'funk':13 'instr':10C 'la':6B 'or':20 'orchestra':8B 's':17 'soul':14 'sua':7B 'swing':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           '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-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357802.902172  (2021-08-07 19:36:42)
                             'size'  5263210