======================== unified (from filesystem) ========================
                                         'bitrate'  '208.854'
                                        'duration'  '444'
                                          'artist'  'Mauro'
                                     'text_people'  ''
                                         'release'  'I Love Disco Diamonds Collection Vol. 48'
                                           'title'  'Buona Sera (Ciao Ciao)'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'italo disco', 'rock', 'disko', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '122.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'R&S Collection'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000000 00000000 0000000000000000 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'I Love Disco Diamonds Collection Vol. 48'
'TBPM' (BPM (beats per minute))                     '122.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Buona Sera (Ciao Ciao)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mauro'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'italo disco', 'rock', 'disko', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.42 dB'
'TXXX:replaygain_track_peak'                        '0.446393'

========================== row from database ==========================
                                              'id'  1303662
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Rose - The Best Italo Disco/(06) [Mauro] Buona Sera (Ciao Ciao).mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  444
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  11601788
                                           'mtime'  1620610562
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Rose The Best Italo (06) [Mauro] electronic we disco or italo
                                      'tag_artist'  Mauro
                                     'tag_release'  I Love Disco Diamonds Collection Vol. 48
                                       'tag_title'  Buona Sera (Ciao Ciao)
                                             'bpm'  122.7
                                    'search_title'  'buona':1 'ciao':3,4,5 'sera':2
                                   'search_artist'  'mauro':1
                                  'search_release'  '48':8 'collection':5 'diamonds':4 'disco':3 'i':1 'love':2 'vol':6,7
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '06':9,10 'best':8 'disco':3 'electronic':13 'italo':5 'mauro':11,12 'or':15 'rose':6 'the':7 'waves':2 'we':14
                                    'search_combo'  '00disco':18 '00poprockelectronic':15 '06':23,24 '48':14C 'best':22 'buona':1A 'ciao':3A,4A,5A 'collection':11C 'diamonds':10C 'disco':9C,17 'electronic':27 'i':7C 'italo':19 'love':8C 'mauro':6B,25,26 'or':29 'rose':20 'sera':2A 'the':21 'vol':12C,13C 'waves':16 'we':28
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['german', 'italo disco', 'rock', 'disko', 'disco']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620610562.458311  (2021-05-10 03:36:02)
                             'size'  11601788