======================== unified (from filesystem) ========================
                                         'bitrate'  '158.232'
                                        'duration'  '210'
                                          'artist'  'Milky'
                                     'text_people'  ''
                                         'release'  '100 Hits: Dance Anthems (disc 1)'
                                           'title'  'Just the Way You Are'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'pop', 'electronic', 'italian', 'female vocalists']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '130.063'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '100 Hits: Dance Anthems (disc 1)'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Just the Way You Are'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Milky'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['dance', 'pop', 'electronic', 'italian', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.357196'

========================== row from database ==========================
                                              'id'  1350878
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/(08)Milky - Just The Way You Are.mp3
                                         'working'  None
                                         'bitrate'  158
                                    'duration_sec'  210
                                           'genre'  electronic-unsorted
                                        'filesize'  4165619
                                           'mtime'  1621696704
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] (08)Milky The electronic unsorted
                                      'tag_artist'  Milky
                                     'tag_release'  100 Hits: Dance Anthems (disc 1)
                                       'tag_title'  Just the Way You Are
                                             'bpm'  130.063
                                    'search_title'  'are':5 'just':1 'the':2 'way':3 'you':4
                                   'search_artist'  'milky':1
                                  'search_release'  '1':8,9 '100':1 'anthems':5 'dance':4 'disc':6,7 'hits':2,3
                                     'search_rest'  '00poprockelectronic':1 '08':7 '08milky':9 'electronic':11 'files':5,6 'loose':3,4 'milky':8 'the':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 '08':22 '08milky':24 '1':14C,15C '100':7C 'anthems':11C 'are':5A 'dance':10C 'disc':12C,13C 'electronic':26 'files':20,21 'hits':8C,9C 'just':1A 'loose':18,19 'milky':6B,23 'the':2A,25 'unsorted':17 'way':3A 'you':4A
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'pop', 'electronic', 'italian', 'female vocalists']
                                        'tag_date'  
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1621696703.9801474  (2021-05-22 17:18:23)
                             'size'  4165619