======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '173'
                                          'artist'  'Frank Klepacki'
                                     'text_people'  ''
                                         'release'  'Command & Conquer: Tiberian Da'
                                           'title'  'Act on Instinct'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['soundtrack', 'video game music', 'industrial', 'electronic', 'game "
 "soundtracks']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '116.320'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Command & Conquer: Tiberian Da'
'TBPM' (BPM (beats per minute))                     '116.320'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TIT2' (Title/songname/content description)         'Act on Instinct'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Klepacki'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['soundtrack',
 'video game music',
 'industrial',
 'electronic',
 'game soundtracks']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.616567'

========================== row from database ==========================
                                              'id'  261121
                                            'path'  /data/Music/Bulk/0soundtrack/Frank Klepacki/C&C__C&C Soundtrack Collection - Command & Conquer__cifs8582.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  173
                                           'genre'  soundtrack-video
                                        'filesize'  4169216
                                           'mtime'  1620333011
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack C&C__C&C Soundtrack Collection Conquer__cifs8582 soundtrack video
                                      'tag_artist'  Frank Klepacki
                                     'tag_release'  Command & Conquer: Tiberian Da
                                       'tag_title'  Act on Instinct
                                             'bpm'  116.32
                                    'search_title'  'act':1 'instinct':3 'on':2
                                   'search_artist'  'frank':1 'klepacki':2
                                  'search_release'  'command':1 'conquer':2,3 'da':5 'tiberian':4
                                     'search_rest'  '0soundtrack':1 'c':2,3,4,5 'cc':6,7 'cifs8582':11 'collection':9 'conquer':10 'soundtrack':8 'video':12
                                    'search_combo'  '0soundtrack':11 'act':1A 'c':12,13,14,15 'cc':16,17 'cifs8582':21 'collection':19 'command':6C 'conquer':7C,8C,20 'da':10C 'frank':4B 'instinct':3A 'klepacki':5B 'on':2A 'soundtrack':18 'tiberian':9C 'video':22
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'video game music', 'industrial', 'electronic', 'game soundtracks']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620333010.7127168  (2021-05-06 22:30:10)
                             'size'  4169216