======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '208'
                                          'artist'  'Courtney Pine'
                                     'text_people'  ''
                                         'release'  'Another Story'
                                           'title'  'I`ve Known Rivers (4 Hero Bos'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'q-syn-1', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['jazz', 'saxophone', 'fusion', 'trip-hop', 'hip-hop']"
                                     'discogstags'  "['electronic', 'future jazz', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-samerica-brazil'
                                             'bpm'  '130.988'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Another Story'
'TBPM' (BPM (beats per minute))                     '130.988'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-brazil'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'I`ve Known Rivers (4 Hero Bos'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Courtney Pine'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'future jazz', 'drum n bass']
'TXXX:lastfmtags'                                   ['jazz', 'saxophone', 'fusion', 'trip-hop', 'hip-hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.489389'

========================== row from database ==========================
                                              'id'  1504746
                                            'path'  /data/Music/Bulk/0soundtrack/Negrocan - brazilectro/Courtney Pine - I_ve Known Rivers (4 Hero Bossa).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  208
                                           'genre'  loc-samerica-brazil
                                        'filesize'  5011571
                                           'mtime'  1621630368
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Negrocan brazilectro I_ve Bossa) loc samerica brazil
                                      'tag_artist'  Courtney Pine
                                     'tag_release'  Another Story
                                       'tag_title'  I`ve Known Rivers (4 Hero Bos
                                             'bpm'  130.988
                                    'search_title'  '4':5,6 'bos':8 'hero':7 'i':1 'known':3 'rivers':4 've':2
                                   'search_artist'  'courtney':1 'pine':2
                                  'search_release'  'another':1 'story':2
                                     'search_rest'  '0soundtrack':1 'bossa':6,7 'brazil':10 'brazilectro':3 'i':4 'loc':8 'negrocan':2 'samerica':9 've':5
                                    'search_combo'  '0soundtrack':13 '4':5A,6A 'another':11C 'bos':8A 'bossa':18,19 'brazil':22 'brazilectro':15 'courtney':9B 'hero':7A 'i':1A,16 'known':3A 'loc':20 'negrocan':14 'pine':10B 'rivers':4A 'samerica':21 'story':12C 've':2A,17
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'saxophone', 'fusion', 'trip-hop', 'hip-hop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'future jazz', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621630367.9520528  (2021-05-21 22:52:47)
                             'size'  5011571