======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '194'
                                          'artist'  'Chuck Berry'
                                     'text_people'  ''
                                         'release'  "Rockin' Little Christmas"
                                           'title'  'Merry Christmas Baby'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-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-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'rock n roll', 'blues', 'rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'set-th-christmas;rock-pop-early'
                                             'bpm'  '130.734'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ['Debuted 12/15/1958 and peaked at #71 on the Hot 100 Chart. Source: Pop '
 'Annual. Label/Number: Chess. \r\n',
 'Debuted 1958 and peaked at # on the Hot 100 Chart. Label/Number: Chess 1714. '
 'Hot 100 & Pop Charts (1955-2004)\r\n']
'COMM:ID3v1 Comment:XXX'                            'Debuted 12/15/1958 and peake'
'TALB' (Album/Movie/Show title)                     "Rockin' Little Christmas"
'TBPM' (BPM (beats per minute))                     '130.734'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-christmas', 'rock-pop-early']
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Merry Christmas Baby'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '194324'
'TPE1' (Lead performer(s)/Soloist(s))               'Chuck Berry'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock and roll', 'rock n roll', 'blues', 'rock', 'classic rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.71 dB'
'TXXX:replaygain_track_peak'                        '0.688981'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1958_008')

========================== row from database ==========================
                                              'id'  1450514
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/ch1958_008 - chuck berry - merry christmas baby 128 js (3.14).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  194
                                           'genre'  set-th-christmas;rock-pop-early
                                        'filesize'  3123200
                                           'mtime'  1620736407
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 ch1958_008 chuck berry merry christmas baby 128 js (3.14) set th christmas;rock pop early
                                      'tag_artist'  Chuck Berry
                                     'tag_release'  Rockin' Little Christmas
                                       'tag_title'  Merry Christmas Baby
                                             'bpm'  130.734
                                    'search_title'  'baby':3 'christmas':2 'merry':1
                                   'search_artist'  'berry':2 'chuck':1
                                  'search_release'  'christmas':4 'little':3 'rockin':1,2
                                     'search_rest'  '008':8 '00oldiepop':5 '128':14 '14':17 '1958':6 '3':16 '314':18 'baby':13 'berry':10 'ch1958':7 'christmas':12,21,23 'chuck':9 'country':4 'early':26 'exotica':2 'jazz':1 'js':15 'merry':11 'oldies':3 'pop':25 'rock':22,24 'set':19 'th':20
                                    'search_combo'  '008':17 '00oldiepop':14 '128':23 '14':26 '1958':15 '3':25 '314':27 'baby':3A,22 'berry':5B,19 'ch1958':16 'christmas':2A,9C,21,30,32 'chuck':4B,18 'country':13 'early':35 'exotica':11 'jazz':10 'js':24 'little':8C 'merry':1A,20 'oldies':12 'pop':34 'rock':31,33 'rockin':6C,7C 'set':28 'th':29
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9B
                                           '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-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'rock n roll', 'blues', 'rock', 'classic rock']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736406.9761372  (2021-05-11 14:33:26)
                             'size'  3123200