======================== unified (from filesystem) ========================
                                         'bitrate'  '208.157'
                                        'duration'  '370'
                                          'artist'  'Duke Lake'
                                     'text_people'  ''
                                         'release'  'I Love Disco Diamonds Collection Vol. 22'
                                           'title'  'Dance Tonight'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'italo disco', 'synthpop', 'disco']"
                                     'discogstags'  "['italo-disco', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '116.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         ' '
'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. 22'
'TBPM' (BPM (beats per minute))                     '116.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Dance Tonight'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Duke Lake'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['italo-disco', 'electronic']
'TXXX:lastfmtags'                                   ['80s', 'italo disco', 'synthpop', 'disco']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.41 dB'
'TXXX:replaygain_track_peak'                        '0.564320'

========================== row from database ==========================
                                              'id'  1346438
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Rose - The Best Italo Disco/(05) [Duke Lake] Dance Tonight.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  370
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  9638870
                                           'mtime'  1620610525
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Rose The Best Italo (05) [Duke Lake] electronic we disco or italo
                                      'tag_artist'  Duke Lake
                                     'tag_release'  I Love Disco Diamonds Collection Vol. 22
                                       'tag_title'  Dance Tonight
                                             'bpm'  116.1
                                    'search_title'  'dance':1 'tonight':2
                                   'search_artist'  'duke':1 'lake':2
                                  'search_release'  '22':8 'collection':5 'diamonds':4 'disco':3 'i':1 'love':2 'vol':6,7
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '05':9,10 'best':8 'disco':3 'duke':11,12 'electronic':15 'italo':5 'lake':13,14 'or':17 'rose':6 'the':7 'waves':2 'we':16
                                    'search_combo'  '00disco':16 '00poprockelectronic':13 '05':21,22 '22':12C 'best':20 'collection':9C 'dance':1A 'diamonds':8C 'disco':7C,15 'duke':3B,23,24 'electronic':27 'i':5C 'italo':17 'lake':4B,25,26 'love':6C 'or':29 'rose':18 'the':19 'tonight':2A 'vol':10C,11C 'waves':14 'we':28
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'italo disco', 'synthpop', 'disco']
                                        'tag_date'  1985
                                     'discogstags'  ['italo-disco', 'electronic']

============================== file details ==============================
                                           'mtime'  1620610524.9670477  (2021-05-10 03:35:24)
                             'size'  9638870