======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'Bram Stokers Dracula'
                                     'text_people'  ''
                                         'release'  'PrimeCuts (Movie Themes)'
                                           'title'  'City Of Prague Philharmonic'
                                           '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-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '111.763'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'PrimeCuts (Movie Themes)'
'TBPM' (BPM (beats per minute))                     '111.763'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'City Of Prague Philharmonic'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bram Stokers Dracula'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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: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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.467850'

========================== row from database ==========================
                                              'id'  502715
                                            'path'  /data/Music/Bulk/0soundtrack/Unsorted/Bram Stokers Dracula - City Of Prague Philharmonic.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  soundtrack-video
                                        'filesize'  6352089
                                           'mtime'  1621489334
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Unsorted soundtrack video
                                      'tag_artist'  Bram Stokers Dracula
                                     'tag_release'  PrimeCuts (Movie Themes)
                                       'tag_title'  City Of Prague Philharmonic
                                             'bpm'  111.763
                                    'search_title'  'city':1 'of':2 'philharmonic':4 'prague':3
                                   'search_artist'  'bram':1 'dracula':3 'stokers':2
                                  'search_release'  'cuts':7 'movie':2,3 'prime':6 'primecuts':1 'themes':4,5
                                     'search_rest'  '0soundtrack':1 'soundtrack':3 'unsorted':2 'video':4
                                    'search_combo'  '0soundtrack':15 'bram':5B 'city':1A 'cuts':14C 'dracula':7B 'movie':9C,10C 'of':2A 'philharmonic':4A 'prague':3A 'prime':13C 'primecuts':8C 'soundtrack':17 'stokers':6B 'themes':11C,12C 'unsorted':16 'video':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489333.5731664  (2021-05-20 07:42:13)
                             'size'  6352089