======================== unified (from filesystem) ========================
                                         'bitrate'  '209.989'
                                        'duration'  '252'
                                          'artist'  'Karen O the Kids'
                                     'text_people'  ''
                                         'release'  'Where the Wild Things Are (OST)'
                                           'title'  'Animal'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'indie', 'soundtrack', 'female vocalists', 'happy']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '120.471'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Where the Wild Things Are (OST)'
'TBPM' (BPM (beats per minute))                     '120.471'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Animal'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Karen O the Kids'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk', 'indie', 'soundtrack', 'female vocalists', 'happy']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.444724'

========================== row from database ==========================
                                              'id'  1277523
                                            'path'  /data/Music/Bulk/0soundtrack/Karen O the Kids/09-karen_o_the_kids-animal.mp3
                                         'working'  None
                                         'bitrate'  210
                                    'duration_sec'  252
                                           'genre'  soundtrack-video
                                        'filesize'  6637364
                                           'mtime'  1621699866
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 09 karen_o_the_kids animal soundtrack video
                                      'tag_artist'  Karen O the Kids
                                     'tag_release'  Where the Wild Things Are (OST)
                                       'tag_title'  Animal
                                             'bpm'  120.471
                                    'search_title'  'animal':1
                                   'search_artist'  'karen':1 'kids':4 'o':2 'the':3
                                  'search_release'  'are':5 'ost':6,7 'the':2 'things':4 'where':1 'wild':3
                                     'search_rest'  '0soundtrack':1 'animal':6 'karen':2 'kids':5 'o':3 'soundtrack':7 'the':4 'video':8
                                    'search_combo'  '0soundtrack':13 'animal':1A,18 'are':10C 'karen':2B,14 'kids':5B,17 'o':3B,15 'ost':11C,12C 'soundtrack':19 'the':4B,7C,16 'things':9C 'video':20 'where':6C 'wild':8C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'indie', 'soundtrack', 'female vocalists', 'happy']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621699865.7958238  (2021-05-22 18:11:05)
                             'size'  6637364