======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '199'
                                          'artist'  'Weird Al Yankovic'
                                     'text_people'  ''
                                         'release'  'Bad Hair Day'
                                           'title'  'Amish Paradise'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-3', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['comedy', 'parody', 'rock', 'humor', 'funny']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-cover or covered'
                                             'bpm'  '109.173'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bad Hair Day'
'TBPM' (BPM (beats per minute))                     '109.173'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-cover or covered']
'TIT2' (Title/songname/content description)         'Amish Paradise'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Weird Al Yankovic'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['comedy', 'parody', 'rock', 'humor', 'funny']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.608967'

========================== row from database ==========================
                                              'id'  1322355
                                            'path'  /data/Music/Bulk/00spent/Weird Al/Weird Al Yankovic/Bad Hair Day [1996]/MBZ;#Weird Al Yankovic;#Bad Hair Day;#01;#Amish Paradise.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  199
                                           'genre'  set-th-novelty-styledcovers;set-cover or covered
                                        'filesize'  2401720
                                           'mtime'  1621695613
                                   'redo_metaread'  0
                                        'rest_str'   00spent [1996] MBZ;#Weird Yankovic;#Bad Day;#01;#Amish set th novelty styledcovers;set cover or covered
                                      'tag_artist'  Weird Al Yankovic
                                     'tag_release'  Bad Hair Day
                                       'tag_title'  Amish Paradise
                                             'bpm'  109.173
                                    'search_title'  'amish':1 'paradise':2
                                   'search_artist'  'al':2 'weird':1 'yankovic':3
                                  'search_release'  'bad':1 'day':3 'hair':2
                                     'search_rest'  '00spent':1 '01':13,16 '1996':2,3 'amish':14,17 'bad':9,11 'cover':25 'covered':27 'day':12,15 'mbz':4,6 'novelty':20 'or':26 'set':18,22,24 'styledcovers':21,23 'th':19 'weird':5,7 'yankovic':8,10
                                    'search_combo'  '00spent':9 '01':21,24 '1996':10,11 'al':4B 'amish':1A,22,25 'bad':6C,17,19 'cover':33 'covered':35 'day':8C,20,23 'hair':7C 'mbz':12,14 'novelty':28 'or':34 'paradise':2A 'set':26,30,32 'styledcovers':29,31 'th':27 'weird':3B,13,15 'yankovic':5B,16,18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'parody', 'rock', 'humor', 'funny']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695612.9071789  (2021-05-22 17:00:12)
                             'size'  2401720