======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '96'
                                          'artist'  'megaman 4'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'skullman'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-game;electronic-we-beeps or chip or pico'
                                             'bpm'  '90.010'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '90.010'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-game', 'electronic-we-beeps or chip or pico']
'TIT2' (Title/songname/content description)         'skullman'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'megaman 4'
'TXXX:Mp3gain_minmax'                               '117,181'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.66 dB'
'TXXX:replaygain_track_peak'                        '0.414626'

========================== row from database ==========================
                                              'id'  780663
                                            'path'  /data/Music/Bulk/0soundtrack/megaman music/megaman 4 - skullman.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  96
                                           'genre'  soundtrack-game;electronic-we-beeps or chip or pico
                                        'filesize'  1554254
                                           'mtime'  1620334509
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack music soundtrack game;electronic we beeps or chip or pico
                                      'tag_artist'  megaman 4
                                     'tag_release'  None
                                       'tag_title'  skullman
                                             'bpm'  90.01
                                    'search_title'  'skullman':1
                                   'search_artist'  '4':2 'megaman':1
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'beeps':9 'chip':11 'electronic':5,7 'game':4,6 'music':2 'or':10 'pico':12 'soundtrack':3 'we':8
                                    'search_combo'  '0soundtrack':4 '4':3B 'beeps':12 'chip':14 'electronic':8,10 'game':7,9 'megaman':2B 'music':5 'or':13 'pico':15 'skullman':1A 'soundtrack':6 'we':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620334508.8959668  (2021-05-06 22:55:08)
                             'size'  1554254