======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '168'
                                          'artist'  'Weird Al Yankovic'
                                     'text_people'  ''
                                         'release'  'Dare To Be Stupid'
                                           'title'  'Girls Just Want To Have Lunch'
                                           'quals'  ("['Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['comedy', 'parody', 'rock', 'humor', 'funny']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-cover or covered'
                                             'bpm'  '123.784'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dare To Be Stupid'
'TBPM' (BPM (beats per minute))                     '123.784'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-cover or covered']
'TIT2' (Title/songname/content description)         'Girls Just Want To Have Lunch'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Weird Al Yankovic'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HHRNBTT'                                    '1'
'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'                                       '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.730619'

========================== row from database ==========================
                                              'id'  1320193
                                            'path'  /data/Music/Bulk/00spent/Weird Al/Weird Al Yankovic/MBZ;#Weird Al Yankovic;#Dare to Be Stupid;#08;#Girls Just Want to Have Lunch.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  168
                                           'genre'  set-th-novelty-styledcovers;set-cover or covered
                                        'filesize'  3372507
                                           'mtime'  1620343475
                                   'redo_metaread'  0
                                        'rest_str'   00spent MBZ;#Weird Yankovic;#Dare to Stupid;#08;#Girls to set th novelty styledcovers;set cover or covered
                                      'tag_artist'  Weird Al Yankovic
                                     'tag_release'  Dare To Be Stupid
                                       'tag_title'  Girls Just Want To Have Lunch
                                             'bpm'  123.784
                                    'search_title'  'girls':1 'have':5 'just':2 'lunch':6 'to':4 'want':3
                                   'search_artist'  'al':2 'weird':1 'yankovic':3
                                  'search_release'  'be':3 'dare':1 'stupid':4 'to':2
                                     'search_rest'  '00spent':1 '08':12,15 'cover':24 'covered':26 'dare':7,9 'girls':13,16 'mbz':2,4 'novelty':19 'or':25 'set':17,21,23 'stupid':11,14 'styledcovers':20,22 'th':18 'to':10 'weird':3,5 'yankovic':6,8
                                    'search_combo'  '00spent':14 '08':25,28 'al':8B 'be':12C 'cover':37 'covered':39 'dare':10C,20,22 'girls':1A,26,29 'have':5A 'just':2A 'lunch':6A 'mbz':15,17 'novelty':32 'or':38 'set':30,34,36 'stupid':13C,24,27 'styledcovers':33,35 'th':31 'to':4A,11C,23 'want':3A 'weird':7B,16,18 'yankovic':9B,19,21
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'parody', 'rock', 'humor', 'funny']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343475.260528  (2021-05-07 01:24:35)
                             'size'  3372507