======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '36'
                                          'artist'  'TV Themes'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Homer's Beer Song"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '142.708'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TIT2' (Title/songname/content description)         "Homer's Beer Song"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'TV Themes'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.08 dB'
'TXXX:replaygain_track_peak'                        '0.472357'

========================== row from database ==========================
                                              'id'  1501068
                                            'path'  /data/Music/Bulk/0soundtrack/TV tunes/TV Themes - Simpsons - Homer_s Beer Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  36
                                           'genre'  soundtrack-video-series
                                        'filesize'  591744
                                           'mtime'  1623408302
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack tunes Simpsons Homer_s soundtrack video series
                                      'tag_artist'  TV Themes
                                     'tag_release'  None
                                       'tag_title'  Homer's Beer Song
                                             'bpm'  142.708
                                    'search_title'  'beer':4 'homer':1 'homers':3 's':2 'song':5
                                   'search_artist'  'themes':2 'tv':1
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'homer':4 's':5 'series':8 'simpsons':3 'soundtrack':6 'tunes':2 'video':7
                                    'search_combo'  '0soundtrack':8 'beer':4A 'homer':1A,11 'homers':3A 's':2A,12 'series':15 'simpsons':10 'song':5A 'soundtrack':13 'themes':7B 'tunes':9 'tv':6B 'video':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623408302.4774632  (2021-06-11 12:45:02)
                             'size'  591744