======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '61'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Unheard Melodies - rare music from film noir cinema vol. 1'
                                           'title'  'Two Mrs. Carrolls  3'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1947'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '145.371'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Unheard Melodies - rare music from film noir cinema vol. 1'
'TBPM' (BPM (beats per minute))                     '145.371'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TDRC' (Recording time)                             '1947'
'TIT2' (Title/songname/content description)         'Two Mrs. Carrolls  3'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.501792'

========================== row from database ==========================
                                              'id'  980664
                                            'path'  /data/Music/Bulk/0soundtrack/VA - unheard melodies - rare music from film noir cinema vol. 1/1947  Two Mrs. Carrolls  3.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  61
                                           'genre'  soundtrack-video-movies
                                        'filesize'  2451334
                                           'mtime'  1642095807
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack VA unheard melodies 1947 soundtrack video movies
                                      'tag_artist'  [unknown]
                                     'tag_release'  Unheard Melodies - rare music from film noir cinema vol. 1
                                       'tag_title'  Two Mrs. Carrolls  3
                                             'bpm'  145.371
                                    'search_title'  '3':5 'carrolls':4 'mrs':2,3 'two':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  '1':11 'cinema':8 'film':6 'from':5 'melodies':2 'music':4 'noir':7 'rare':3 'unheard':1 'vol':9,10
                                     'search_rest'  '0soundtrack':1 '1947':5 'melodies':4 'movies':8 'soundtrack':6 'unheard':3 'va':2 'video':7
                                    'search_combo'  '0soundtrack':19 '1':18C '1947':23 '3':5A 'carrolls':4A 'cinema':15C 'film':13C 'from':12C 'melodies':9C,22 'movies':26 'mrs':2A,3A 'music':11C 'noir':14C 'rare':10C 'soundtrack':24 'two':1A 'unheard':8C,21 'unknown':6B,7B 'va':20 'video':25 'vol':16C,17C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'Q-LOCALNESS-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1947
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095806.8786104  (2022-01-13 18:43:26)
                             'size'  2451334