======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '179'
                                          'artist'  'Turtles'
                                     'text_people'  ''
                                         'release'  "The World's Worst Records!"
                                           'title'  'Umbassa And The Dragon.'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['60s', 'classic rock', 'oldies', 'rock', 'pop']"
                                     'discogstags'  "['house', 'tribal house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '123.784'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "The World's Worst Records!"
'TBPM' (BPM (beats per minute))                     '123.784'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TIT2' (Title/songname/content description)         'Umbassa And The Dragon.'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Turtles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['house', 'tribal house', 'electronic']
'TXXX:lastfmtags'                                   ['60s', 'classic rock', 'oldies', 'rock', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.571222'

========================== row from database ==========================
                                              'id'  1292773
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/11 - Turtles - Umbassa And The Dragon..mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  179
                                           'genre'  rock-unsorted
                                        'filesize'  2881226
                                           'mtime'  1620389466
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean 11 rock unsorted
                                      'tag_artist'  Turtles
                                     'tag_release'  The World's Worst Records!
                                       'tag_title'  Umbassa And The Dragon.
                                             'bpm'  123.784
                                    'search_title'  'and':2 'dragon':4,5 'the':3 'umbassa':1
                                   'search_artist'  'turtles':1
                                  'search_release'  'records':6 's':3 'the':1 'world':2 'worlds':4 'worst':5
                                     'search_rest'  '00poprockelectronic':1 'clean':2 'rock':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':13 'and':2A 'clean':14 'dragon':4A,5A 'records':12C 'rock':15 's':9C 'the':3A,7C 'turtles':6B 'umbassa':1A 'unsorted':16 'world':8C 'worlds':10C 'worst':11C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'classic rock', 'oldies', 'rock', 'pop']
                                        'tag_date'  
                                     'discogstags'  ['house', 'tribal house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620389465.9735143  (2021-05-07 14:11:05)
                             'size'  2881226