======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '150'
                                          'artist'  'Guy Lombardo & His Royal Canadians'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Frosty the Snowman'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'classic swing', 'christmas', 'swing', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-th-christmas'
                                             'bpm'  '86.808'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['Debuted 1950 and peaked at #28 on Various Charts. Source: Pop Hits. \r\n',
 'Debuted 1950 and peaked at # on Various Charts. Label/Number: Decca 9-27257. '
 'Billboard Pop Charts (1940-1954)\r\n']
'COMM:ID3v1 Comment:XXX'                            'Debuted 1950 and peaked at #28'
'TBPM' (BPM (beats per minute))                     '86.808'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-th-christmas']
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         'Frosty the Snowman'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '0'
'TPE1' (Lead performer(s)/Soloist(s))               'Guy Lombardo & His Royal Canadians'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'classic swing', 'christmas', 'swing', 'canadian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.28 dB'
'TXXX:replaygain_track_peak'                        '0.534890'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1950_017')

========================== row from database ==========================
                                              'id'  1438334
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1950/ch1950_017 - guy lombardo & his royal canadians - frosty the snowman 80 m (2.30).mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  150
                                           'genre'  prerock-unsorted;set-th-christmas
                                        'filesize'  1507300
                                           'mtime'  1620343030
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1950 ch1950_017 guy lombardo his royal canadians frosty snowman 80 (2.30) prerock unsorted;set christmas
                                      'tag_artist'  Guy Lombardo & His Royal Canadians
                                     'tag_release'  None
                                       'tag_title'  Frosty the Snowman
                                             'bpm'  86.808
                                    'search_title'  'frosty':1 'snowman':3 'the':2
                                   'search_artist'  'canadians':5 'guy':1 'his':3 'lombardo':2 'royal':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '017':8 '1950':6 '2':17 '230':19 '30':18 '80':16 'canadians':13 'ch1950':7 'christmas':25 'country':4 'exotica':2 'frosty':14 'guy':9 'his':11 'jazz':1 'lombardo':10 'oldies':3 'prerock':20 'royal':12 'set':22,24 'snowman':15 'unsorted':21,23
                                    'search_combo'  '00oldiepop':13 '017':16 '1950':14 '2':25 '230':27 '30':26 '80':24 'canadians':8B,21 'ch1950':15 'christmas':33 'country':12 'exotica':10 'frosty':1A,22 'guy':4B,17 'his':6B,19 'jazz':9 'lombardo':5B,18 'oldies':11 'prerock':28 'royal':7B,20 'set':30,32 'snowman':3A,23 'the':2A 'unsorted':29,31
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'classic swing', 'christmas', 'swing', 'canadian']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343029.9305794  (2021-05-07 01:17:09)
                             'size'  1507300