======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '59'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Unheard Melodies - rare music from film noir cinema vol. 1'
                                           'title'  'Double Imdemnity  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-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '145.790'
                                             'key'  '7A'
                                        '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))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         'Double Imdemnity  3'
'TKEY' (Initial key)                                '7A'
'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'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.401868'

========================== row from database ==========================
                                              'id'  980706
                                            'path'  /data/Music/Bulk/0soundtrack/VA - unheard melodies - rare music from film noir cinema vol. 1/1944  Double Imdemnity  3.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  59
                                           'genre'  soundtrack-video-movies
                                        'filesize'  2399089
                                           'mtime'  1642095807
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack VA unheard melodies 1944 soundtrack video movies
                                      'tag_artist'  [unknown]
                                     'tag_release'  Unheard Melodies - rare music from film noir cinema vol. 1
                                       'tag_title'  Double Imdemnity  3
                                             'bpm'  145.79
                                    'search_title'  '3':3 'double':1 'imdemnity':2
                                   '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 '1944':5 'melodies':4 'movies':8 'soundtrack':6 'unheard':3 'va':2 'video':7
                                    'search_combo'  '0soundtrack':17 '1':16C '1944':21 '3':3A 'cinema':13C 'double':1A 'film':11C 'from':10C 'imdemnity':2A 'melodies':7C,20 'movies':24 'music':9C 'noir':12C 'rare':8C 'soundtrack':22 'unheard':6C,19 'unknown':4B,5B 'va':18 'video':23 'vol':14C,15C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           '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-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1944
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095806.6694908  (2022-01-13 18:43:26)
                             'size'  2399089