======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '208'
                                          'artist'  'Protoje'
                                     'text_people'  ''
                                         'release'  'Ancient Future'
                                           'title'  'Who Knows'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'roots', 'jamaica']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '108.239'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ancient Future'
'TBPM' (BPM (beats per minute))                     '108.239'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Who Knows'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Protoje feat. Chronixx'
'TPE2' (Band/orchestra/accompaniment)               'Protoje'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['reggae', 'dub', 'roots', 'jamaica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.380216'

========================== row from database ==========================
                                              'id'  1290134
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Protoje feat. Chronixx - Who Knows.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  208
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  8402828
                                           'mtime'  1620524475
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 feat. Chronixx loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  Protoje
                                     'tag_release'  Ancient Future
                                       'tag_title'  Who Knows
                                             'bpm'  108.239
                                    'search_title'  'knows':2 'who':1
                                   'search_artist'  'protoje':1
                                  'search_release'  'ancient':1 'future':2
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'chronixx':5 'dancehall':12 'dub':10 'feat':3,4 'loc':6 'or':9 'reggae':8 'ska':11 'style':7 'unsorted':13
                                    'search_combo'  '00poprockelectronic':6 '2016':7 'ancient':4C 'chronixx':10 'dancehall':17 'dub':15 'feat':8,9 'future':5C 'knows':2A 'loc':11 'or':14 'protoje':3B 'reggae':13 'ska':16 'style':12 'unsorted':18 'who':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'roots', 'jamaica']
                                        'tag_date'  2015
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524475.003675  (2021-05-09 03:41:15)
                             'size'  8402828