======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '160'
                                          'artist'  'Drifters Featurning Clyde McPhatter & Bill Pickney'
                                     'text_people'  ''
                                         'release'  'Let the Boogie Woogie Roll-  Greatest Hits 1953-1958, Disk 1'
                                           'title'  'White Christmas'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;set-th-christmas'
                                             'bpm'  '126.568'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1955 and peaked at # on the Hot 100 Chart. Label/Number: Atlantic '
 '45-1048. Hot R&B Singles\r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1955 and peaked at #'
'TALB' (Album/Movie/Show title)                     'Let the Boogie Woogie Roll-  Greatest Hits 1953-1958, Disk 1'
'TBPM' (BPM (beats per minute))                     '126.568'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'set-th-christmas']
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'White Christmas'
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '160209'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Drifters Featurning Clyde McPhatter & Bill Pickney'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.528773'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1955_001')

========================== row from database ==========================
                                              'id'  1451658
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/ch1955_001 - drifters featurning clyde mcphatter & bill pickney - white christmas 160 js (2.40).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  160
                                           'genre'  rock-unsorted;set-th-christmas
                                        'filesize'  3209224
                                           'mtime'  1620343036
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 ch1955_001 drifters featurning clyde mcphatter bill pickney white christmas 160 js (2.40) rock unsorted;set christmas
                                      'tag_artist'  Drifters Featurning Clyde McPhatter & Bill Pickney
                                     'tag_release'  Let the Boogie Woogie Roll-  Greatest Hits 1953-1958, Disk 1
                                       'tag_title'  White Christmas
                                             'bpm'  126.568
                                    'search_title'  'christmas':2 'white':1
                                   'search_artist'  'bill':5 'clyde':3 'drifters':1 'featurning':2 'mc':7 'mcphatter':4 'phatter':8 'pickney':6
                                  'search_release'  '1':13 '1953':9 '19531958':11 '1958':10 'boogie':3 'disk':12 'greatest':7 'hits':8 'let':1 'roll':5,6 'the':2 'woogie':4
                                     'search_rest'  '001':8 '00oldiepop':5 '160':17 '1955':6 '2':19 '240':21 '40':20 'bill':13 'ch1955':7 'christmas':16 'clyde':11 'country':4 'drifters':9 'exotica':2 'featurning':10 'jazz':1 'js':18 'mcphatter':12 'oldies':3 'pickney':14 'rock':22 'set':24,26 'unsorted':23,25 'white':15
                                    'search_combo'  '001':31 '00oldiepop':28 '1':23C '160':40 '1953':19C '19531958':21C '1955':29 '1958':20C '2':42 '240':44 '40':43 'bill':7B,36 'boogie':13C 'ch1955':30 'christmas':2A,39 'clyde':5B,34 'country':27 'disk':22C 'drifters':3B,32 'exotica':25 'featurning':4B,33 'greatest':17C 'hits':18C 'jazz':24 'js':41 'let':11C 'mc':9B 'mcphatter':6B,35 'oldies':26 'phatter':10B 'pickney':8B,37 'rock':45 'roll':15C,16C 'set':47,49 'the':12C 'unsorted':46,48 'white':1A,38 'woogie':14C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  5B
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343036.3878763  (2021-05-07 01:17:16)
                             'size'  3209224