======================== unified (from filesystem) ========================
                                         'bitrate'  '215.221'
                                        'duration'  '212'
                                          'artist'  'Ramones'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'Pet Sematary'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'punk rock', '70s', 'punk', 'rock']"
                                     'discogstags'  "['rock', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '98.358'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '[fnt]'
'COMM:ID3v1 Comment:XXX'                            '[fnt]'
'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '98.358'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Pet Sematary'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ramones'
'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:discogstags'                                  ['rock', 'punk']
'TXXX:lastfmtags'                                   ['classic rock', 'punk rock', '70s', 'punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.406359'

========================== row from database ==========================
                                              'id'  1420606
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Ramones/Greatest Hits/19-ramones-pet_sematary-fnt.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  212
                                           'genre'  rock-gr-punk
                                        'filesize'  5730448
                                           'mtime'  1622659130
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 19 ramones pet_sematary fnt rock gr punk
                                      'tag_artist'  Ramones
                                     'tag_release'  Greatest Hits
                                       'tag_title'  Pet Sematary
                                             'bpm'  98.358
                                    'search_title'  'pet':1 'sematary':2
                                   'search_artist'  'ramones':1
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '19':5 'fnt':9 'garage':2 'gr':11 'pet':7 'punk':1 'ramones':6 'rock':10 'sematary':8 'stoner':4 'surf':3
                                    'search_combo'  '19':10 'fnt':14 'garage':7 'gr':16 'greatest':4C 'hits':5C 'pet':1A,12 'punk':6 'ramones':3B,11 'rock':15 'sematary':2A,13 'stoner':9 'surf':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'punk rock', '70s', 'punk', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'punk']

============================== file details ==============================
                                           'mtime'  1622659129.6527758  (2021-06-02 20:38:49)
                             'size'  5730448