======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '303'
                                          'artist'  'Blue Gene Tyranny'
                                     'text_people'  ''
                                         'release'  'You'
                                           'title'  'Harve'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['contemporary classical', 'composer', 'avant-garde', 'lovely music', 'piano']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-you'
                                             'bpm'  '104.015'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'You'
'TBPM' (BPM (beats per minute))                     '104.015'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-you'
'TIT2' (Title/songname/content description)         'Harve'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blue Gene Tyranny'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['contemporary classical', 'composer', 'avant-garde', 'lovely music', 'piano']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.840382'

========================== row from database ==========================
                                              'id'  768044
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/You/12 - Blue Gene Tyranny - Harve.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  303
                                           'genre'  set-pl-you
                                        'filesize'  7280307
                                           'mtime'  1620356048
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes 12 set pl you
                                      'tag_artist'  Blue Gene Tyranny
                                     'tag_release'  You
                                       'tag_title'  Harve
                                             'bpm'  104.015
                                    'search_title'  'harve':1
                                   'search_artist'  'blue':1 'gene':2 'tyranny':3
                                  'search_release'  'you':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':5 'set':4 'themes':3 'you':6
                                    'search_combo'  '0novelty':7 '0playlists':6 'blue':2B 'gene':3B 'harve':1A 'pl':10 'set':9 'themes':8 'tyranny':4B 'you':5C,11
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'composer', 'avant-garde', 'lovely music', 'piano']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356048.011224  (2021-05-07 04:54:08)
                             'size'  7280307