======================== unified (from filesystem) ========================
                                         'bitrate'  '219.447'
                                        'duration'  '170'
                                          'artist'  'Alusa Fallax'
                                     'text_people'  ''
                                         'release'  'Intorno Alla Mia Cattiva Educazione'
                                           'title'  "È Oggi ('74)"
                                           '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-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['11', 'italian progressive rock', 'progressive rock', 'italian prog', "
 "'italian']")
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '141.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Intorno Alla Mia Cattiva Educazione'
'TBPM' (BPM (beats per minute))                     '141.9'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1974'
'TIT2' (Title/songname/content description)         "È Oggi ('74)"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '170788'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Alusa Fallax'
'TRCK' (Track number/Position in set)               '10'
'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:discogstags'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['11',
 'italian progressive rock',
 'progressive rock',
 'italian prog',
 'italian']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.09 dB'
'TXXX:replaygain_track_peak'                        '0.778198'

========================== row from database ==========================
                                              'id'  1532611
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Alusa Fallax - È Oggi (_74).mp3
                                         'working'  None
                                         'bitrate'  219
                                    'duration_sec'  170
                                           'genre'  funk or soul
                                        'filesize'  4692441
                                           'mtime'  1628357791
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s (_74) funk soul
                                      'tag_artist'  Alusa Fallax
                                     'tag_release'  Intorno Alla Mia Cattiva Educazione
                                       'tag_title'  È Oggi ('74)
                                             'bpm'  141.9
                                    'search_title'  '74':4,5 'e':1,2 'oggi':3
                                   'search_artist'  'alusa':1 'fallax':2
                                  'search_release'  'alla':2 'cattiva':4 'educazione':5 'intorno':1 'mia':3
                                     'search_rest'  '70':6 '74':8,9 'easy':4 'funk':2 'instr':5 's':7 'soul':3 'swing':1
                                    'search_combo'  '70':18 '74':4A,5A,20,21 'alla':9C 'alusa':6B 'cattiva':11C 'e':1A,2A 'easy':16 'educazione':12C 'fallax':7B 'funk':14 'instr':17 'intorno':8C 'mia':10C 'oggi':3A 's':19 'soul':15 'swing':13
                                    'tag_tracknum'  10
                                      '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['11', 'italian progressive rock', 'progressive rock', 'italian prog', 'italian']
                                        'tag_date'  1974
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1628357791.2403607  (2021-08-07 19:36:31)
                             'size'  4692441