======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '539'
                                          'artist'  'Tool'
                                     'text_people'  ''
                                         'release'  '10,000 Days'
                                           'title'  'Right In Two'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'progressive rock', 'progressive metal', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;eid-metal-progressive;rock-cppex'
                                             'bpm'  '85.381'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '10,000 Days'
'TBPM' (BPM (beats per minute))                     '85.381'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'eid-metal-progressive', 'rock-cppex']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Right In Two'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tool'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metal', 'progressive rock', 'progressive metal', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.442264'

========================== row from database ==========================
                                              'id'  1292208
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tool/10,000 Days/Tool - 10,000 Days - 10 - Right In Two.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  539
                                           'genre'  rock-cppex-progressive;eid-metal-progressive;rock-cppex
                                        'filesize'  17280896
                                           'mtime'  1636038777
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rock cppex progressive;eid metal progressive;rock cppex
                                      'tag_artist'  Tool
                                     'tag_release'  10,000 Days
                                       'tag_title'  Right In Two
                                             'bpm'  85.381
                                    'search_title'  'in':2 'right':1 'two':3
                                   'search_artist'  'tool':1
                                  'search_release'  '000':2,4 '10':1,3 'days':5
                                     'search_rest'  '00poprockelectronic':1 'cppex':3 'eid':5,7 'metal':8 'progressive':4,6,9,11 'rock':2,10,12
                                    'search_combo'  '000':6C,8C '00poprockelectronic':10 '10':5C,7C 'cppex':12 'days':9C 'eid':14,16 'in':2A 'metal':17 'progressive':13,15,18,20 'right':1A 'rock':11,19,21 'tool':4B 'two':3A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['metal', 'progressive rock', 'progressive metal', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636038776.7281682  (2021-11-04 16:12:56)
                             'size'  17280896