======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '171'
                                          'artist'  'Homer & Jethro & June Carter'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  '"Baby, It\'s Cold Outside"'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-th-christmas'
                                             'bpm'  '145.371'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['Debuted 1949 and peaked at #22 on Various Charts. Source: Pop Hits',
 'Debuted 1949 and peaked at # on Various Charts. Label/Number: RCA Victor '
 '48-0075. Billboard Pop Charts (1940-1954)\r\n']
'COMM:ID3v1 Comment:XXX'                            'Debuted 1949 and peaked at #22'
'TBPM' (BPM (beats per minute))                     '145.371'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-th-christmas']
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         '"Baby, It\'s Cold Outside"'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Homer & Jethro & June Carter'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'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'                        '+0.75 dB'
'TXXX:replaygain_track_peak'                        '0.469592'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1949_030')

========================== row from database ==========================
                                              'id'  1502585
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1949/ch1949_030 - homer & jethro & june carter - __baby, it_s cold outside__ 128 js (2.51).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  171
                                           'genre'  prerock-unsorted;set-th-christmas
                                        'filesize'  2742272
                                           'mtime'  1620343026
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1949 ch1949_030 homer jethro june carter __baby, it_s cold outside__ 128 js (2.51) prerock unsorted;set christmas
                                      'tag_artist'  Homer & Jethro & June Carter
                                     'tag_release'  None
                                       'tag_title'  "Baby, It's Cold Outside"
                                             'bpm'  145.371
                                    'search_title'  'baby':1,2 'cold':6 'it':3 'its':5 'outside':7 's':4
                                   'search_artist'  'carter':4 'homer':1 'jethro':2 'june':3
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '030':8 '128':19 '1949':6 '2':21 '251':23 '51':22 'baby':13,14 'carter':12 'ch1949':7 'christmas':29 'cold':17 'country':4 'exotica':2 'homer':9 'it':15 'jazz':1 'jethro':10 'js':20 'june':11 'oldies':3 'outside':18 'prerock':24 's':16 'set':26,28 'unsorted':25,27
                                    'search_combo'  '00oldiepop':16 '030':19 '128':30 '1949':17 '2':32 '251':34 '51':33 'baby':1A,2A,24,25 'carter':11B,23 'ch1949':18 'christmas':40 'cold':6A,28 'country':15 'exotica':13 'homer':8B,20 'it':3A,26 'its':5A 'jazz':12 'jethro':9B,21 'js':31 'june':10B,22 'oldies':14 'outside':7A,29 'prerock':35 's':4A,27 'set':37,39 'unsorted':36,38
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           '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-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1949
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343025.715981  (2021-05-07 01:17:05)
                             'size'  2742272