======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '190'
                                          'artist'  'Weird Al Yankovic'
                                     'text_people'  ''
                                         'release'  'Even Worse'
                                           'title'  "I Think I'm A Clone Now"
                                           'quals'  ("['Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['comedy', 'parody', 'rock', 'humor', 'funny']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-cover or covered'
                                             'bpm'  '136.184'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Even Worse'
'TBPM' (BPM (beats per minute))                     '136.184'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-cover or covered']
'TIT2' (Title/songname/content description)         "I Think I'm A Clone Now"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Weird Al Yankovic'
'TRCK' (Track number/Position in set)               '5'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.748494'

========================== row from database ==========================
                                              'id'  1317875
                                            'path'  /data/Music/Bulk/00spent/Weird Al/Weird Al Yankovic/MBZ;#Weird Al Yankovic;#Even Worse;#05;#I Think Im A Clone Now.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  190
                                           'genre'  set-th-novelty-styledcovers;set-cover or covered
                                        'filesize'  3053032
                                           'mtime'  1620343475
                                   'redo_metaread'  0
                                        'rest_str'   00spent MBZ;#Weird Yankovic;#Even Worse;#05;#I Im set th novelty styledcovers;set cover covered
                                      'tag_artist'  Weird Al Yankovic
                                     'tag_release'  Even Worse
                                       'tag_title'  I Think I'm A Clone Now
                                             'bpm'  136.184
                                    'search_title'  'a':6 'clone':7 'i':1,3 'im':5 'm':4 'now':8 'think':2
                                   'search_artist'  'al':2 'weird':1 'yankovic':3
                                  'search_release'  'even':1 'worse':2
                                     'search_rest'  '00spent':1 '05':11,14 'cover':24 'covered':25 'even':7,9 'i':12,15 'im':16 'mbz':2,4 'novelty':19 'set':17,21,23 'styledcovers':20,22 'th':18 'weird':3,5 'worse':10,13 'yankovic':6,8
                                    'search_combo'  '00spent':14 '05':24,27 'a':6A 'al':10B 'clone':7A 'cover':37 'covered':38 'even':12C,20,22 'i':1A,3A,25,28 'im':5A,29 'm':4A 'mbz':15,17 'novelty':32 'now':8A 'set':30,34,36 'styledcovers':33,35 'th':31 'think':2A 'weird':9B,16,18 'worse':13C,23,26 'yankovic':11B,19,21
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', '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-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'parody', 'rock', 'humor', 'funny']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343475.2688801  (2021-05-07 01:24:35)
                             'size'  3053032