======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '157'
                                          'artist'  'The Simpsons'
                                     'text_people'  ''
                                         'release'  'Simpsons Sing The Blues'
                                           'title'  'Springfield Soul Stew'
                                           'quals'  ("['Q-HAP-2', '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-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '113.389'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Simpsons Sing The Blues'
'TBPM' (BPM (beats per minute))                     '113.389'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Springfield Soul Stew'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Simpsons'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.643038'

========================== row from database ==========================
                                              'id'  1334805
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Simpsons/MBZ;#The Simpsons;#Simpsons Sing the Blues;#08;#Springfield Soul Stew.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  157
                                           'genre'  soundtrack-video-series
                                        'filesize'  3790539
                                           'mtime'  1642095987
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#The Simpsons;#Simpsons the Blues;#08;#Springfield soundtrack video series
                                      'tag_artist'  The Simpsons
                                     'tag_release'  Simpsons Sing The Blues
                                       'tag_title'  Springfield Soul Stew
                                             'bpm'  113.389
                                    'search_title'  'soul':2 'springfield':1 'stew':3
                                   'search_artist'  'simpsons':2 'the':1
                                  'search_release'  'blues':4 'simpsons':1 'sing':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '08':12,15 'blues':11,14 'mbz':2,4 'series':19 'simpsons':6,7,8,9 'soundtrack':17 'springfield':13,16 'the':3,5,10 'video':18
                                    'search_combo'  '00poprockelectronic':10 '08':21,24 'blues':9C,20,23 'mbz':11,13 'series':28 'simpsons':5B,6C,15,16,17,18 'sing':7C 'soul':2A 'soundtrack':26 'springfield':1A,22,25 'stew':3A 'the':4B,8C,12,14,19 'video':27
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', '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-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095987.0404336  (2022-01-13 18:46:27)
                             'size'  3790539