======================== unified (from filesystem) ========================
                                         'bitrate'  '195.963'
                                        'duration'  '441'
                                          'artist'  'Mew'
                                     'text_people'  ''
                                         'release'  'progsoup 47'
                                           'title'  'Cartoons and Macreme Wounds'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'danish', 'alternative', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '35'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '136.920'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 47'
'TBPM' (BPM (beats per minute))                     '136.920'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Cartoons and Macreme Wounds'
'TKEY' (Initial key)                                '12A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Mew'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '35'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['indie', 'danish', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.335338'

========================== row from database ==========================
                                              'id'  1415765
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 47/2693 mew - cartoons and macreme wounds.mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  441
                                           'genre'  rock-cppex-progressive
                                        'filesize'  10812731
                                           'mtime'  1620737484
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2693 mew cartoons macreme wounds rock cppex progressive
                                      'tag_artist'  Mew
                                     'tag_release'  progsoup 47
                                       'tag_title'  Cartoons and Macreme Wounds
                                             'bpm'  136.92
                                    'search_title'  'and':2 'cartoons':1 'macreme':3 'wounds':4
                                   'search_artist'  'mew':1
                                  'search_release'  '47':2 'progsoup':1
                                     'search_rest'  '2693':3 'cartoons':5 'classicprogpsy':1 'cppex':9 'macreme':6 'mew':4 'progressive':10 'progsoup':2 'rock':8 'wounds':7
                                    'search_combo'  '2693':10 '47':7C 'and':2A 'cartoons':1A,12 'classicprogpsy':8 'cppex':16 'macreme':3A,13 'mew':5B,11 'progressive':17 'progsoup':6C,9 'rock':15 'wounds':4A,14
                                    'tag_tracknum'  35
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'danish', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737484.3616514  (2021-05-11 14:51:24)
                             'size'  10812731