======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '164'
                                          'artist'  'Chuck Berry'
                                     'text_people'  ''
                                         'release'  'Chess Box'
                                           'title'  'Run Rudolph Run'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', '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'  '6'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'set-th-christmas;rock-pop-early'
                                             'bpm'  '146.000'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Chess Box'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-christmas', 'rock-pop-early']
'TDRC' (Recording time)                             '1958'
'TENC' (Encoded by)                                 'El Smeggo'
'TIT2' (Title/songname/content description)         'Run Rudolph Run'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chuck Berry'
'TRCK' (Track number/Position in set)               '6'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+1.86 dB'
'TXXX:replaygain_track_peak'                        '0.509563'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1958_007')

========================== row from database ==========================
                                              'id'  1440160
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/ch1958_007 - chuck berry - run rudolph run 96 m (2.44).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  164
                                           'genre'  set-th-christmas;rock-pop-early
                                        'filesize'  1976320
                                           'mtime'  1620736406
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 ch1958_007 chuck berry run rudolph run 96 m (2.44) set th christmas;rock pop early
                                      'tag_artist'  Chuck Berry
                                     'tag_release'  Chess Box
                                       'tag_title'  Run Rudolph Run
                                             'bpm'  146.0
                                    'search_title'  'rudolph':2 'run':1
                                   'search_artist'  'berry':2 'chuck':1
                                  'search_release'  'box':2 'chess':1
                                     'search_rest'  '007':8 '00oldiepop':5 '1958':6 '2':15 '244':17 '44':16 '96':13 'berry':10 'ch1958':7 'christmas':20,22 'chuck':9 'country':4 'early':25 'exotica':2 'jazz':1 'm':14 'oldies':3 'pop':24 'rock':21,23 'rudolph':12 'run':11 'set':18 'th':19
                                    'search_combo'  '007':14 '00oldiepop':11 '1958':12 '2':21 '244':23 '44':22 '96':19 'berry':4B,16 'box':6C 'ch1958':13 'chess':5C 'christmas':26,28 'chuck':3B,15 'country':10 'early':31 'exotica':8 'jazz':7 'm':20 'oldies':9 'pop':30 'rock':27,29 'rudolph':2A,18 'run':1A,17 'set':24 'th':25
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             '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-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'rock n roll', 'blues', 'rock', 'classic rock']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736406.474412  (2021-05-11 14:33:26)
                             'size'  1976320