======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '82'
                                          'artist'  'The Arrogant Worms'
                                     'text_people'  ''
                                         'release'  'Christmas Turkey'
                                           'title'  "Santa's Gonna Kick Your Ass"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['funny', 'comedy', 'humour', 'folk', 'canadian']"
                                     'discogstags'  "['novelty', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'entertaining-comedians;set-th-christmas'
                                             'bpm'  '111.028'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Christmas Turkey'
'TBPM' (BPM (beats per minute))                     '111.028'
'TCON' (Content type, a.k.a. Genre)                 ['entertaining-comedians', 'set-th-christmas']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "Santa's Gonna Kick Your Ass"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Arrogant Worms'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['novelty', 'pop']
'TXXX:lastfmtags'                                   ['funny', 'comedy', 'humour', 'folk', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.657750'

========================== row from database ==========================
                                              'id'  1315680
                                            'path'  /data/Music/Bulk/00spent/Arrogant Worms/Christmas Turkey/MBZ;#Arrogant Worms;#Christmas Turkey;#01;#Santas Gonna Kick Your Ass.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  82
                                           'genre'  entertaining-comedians;set-th-christmas
                                        'filesize'  1328632
                                           'mtime'  1620527189
                                   'redo_metaread'  0
                                        'rest_str'   00spent MBZ;#Arrogant Worms;#Christmas Turkey;#01;#Santas entertaining comedians;set th christmas
                                      'tag_artist'  The Arrogant Worms
                                     'tag_release'  Christmas Turkey
                                       'tag_title'  Santa's Gonna Kick Your Ass
                                             'bpm'  111.028
                                    'search_title'  'ass':7 'gonna':4 'kick':5 's':2 'santa':1 'santas':3 'your':6
                                   'search_artist'  'arrogant':2 'the':1 'worms':3
                                  'search_release'  'christmas':1 'turkey':2
                                     'search_rest'  '00spent':1 '01':11,14 'arrogant':3,5 'christmas':7,9,22 'comedians':17,19 'entertaining':16 'mbz':2,4 'santas':12,15 'set':18,20 'th':21 'turkey':10,13 'worms':6,8
                                    'search_combo'  '00spent':13 '01':23,26 'arrogant':9B,15,17 'ass':7A 'christmas':11C,19,21,34 'comedians':29,31 'entertaining':28 'gonna':4A 'kick':5A 'mbz':14,16 's':2A 'santa':1A 'santas':3A,24,27 'set':30,32 'th':33 'the':8B 'turkey':12C,22,25 'worms':10B,18,20 'your':6A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['funny', 'comedy', 'humour', 'folk', 'canadian']
                                        'tag_date'  1997
                                     'discogstags'  ['novelty', 'pop']

============================== file details ==============================
                                           'mtime'  1620527188.612348  (2021-05-09 04:26:28)
                             'size'  1328632