======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '193'
                                          'artist'  'Betty Hutton'
                                     'text_people'  ''
                                         'release'  'Fallout 4 OST (Diamond radio station)'
                                           'title'  "He's A Demon"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'jazz', 'female vocalists', 'standards', 'lounge', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '38'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '87.748'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fallout 4 OST (Diamond radio station)'
'TBPM' (BPM (beats per minute))                     '87.748'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         "He's A Demon"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Betty Hutton'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1/38'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf53.30.100'
'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'                                   ['vocal jazz', 'jazz', 'female vocalists', 'standards', 'lounge', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.513641'

========================== row from database ==========================
                                              'id'  1502415
                                            'path'  /data/Music/Bulk/0soundtrack/Fallout 4 - Diamond City Radio/01. Betty Hutton - He_s A Demon.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  193
                                           'genre'  soundtrack-game
                                        'filesize'  3091400
                                           'mtime'  1623433162
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack City Radio 01. He_s soundtrack game
                                      'tag_artist'  Betty Hutton
                                     'tag_release'  Fallout 4 OST (Diamond radio station)
                                       'tag_title'  He's A Demon
                                             'bpm'  87.748
                                    'search_title'  'a':4 'demon':5 'he':1 'hes':3 's':2
                                   'search_artist'  'betty':1 'hutton':2
                                  'search_release'  '4':2 'diamond':4,5 'fallout':1 'ost':3 'radio':6 'station':7,8
                                     'search_rest'  '01':4,5 '0soundtrack':1 'city':2 'game':9 'he':6 'radio':3 's':7 'soundtrack':8
                                    'search_combo'  '01':19,20 '0soundtrack':16 '4':9C 'a':4A 'betty':6B 'city':17 'demon':5A 'diamond':11C,12C 'fallout':8C 'game':24 'he':1A,21 'hes':3A 'hutton':7B 'ost':10C 'radio':13C,18 's':2A,22 'soundtrack':23 'station':14C,15C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'jazz', 'female vocalists', 'standards', 'lounge', 'swing']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623433162.032268  (2021-06-11 19:39:22)
                             'size'  3091400