======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '168'
                                          'artist'  'Lud Gluskin & His Continental Orchestra v/Chiquito'
                                     'text_people'  ''
                                         'release'  '78rpm: Columbia 2952-D'
                                           'title'  'La Cucaracha'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '123.181'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1934 and peaked at #18 on Various Charts. Source: Pop Memories. '
 'Label/Number: Columbia 2952.   \r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #18'
'TALB' (Album/Movie/Show title)                     '78rpm: Columbia 2952-D'
'TBPM' (BPM (beats per minute))                     '123.181'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TENC' (Encoded by)                                 'MusicProf'
'TIT2' (Title/songname/content description)         'La Cucaracha'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lud Gluskin & His Continental Orchestra v/Chiquito'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.694484'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1934_263')

========================== row from database ==========================
                                              'id'  1513518
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/La cucaracha - Lud Gluskin and his orchestra (vocal by _Chiquita_).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  168
                                           'genre'  prerock-swing
                                        'filesize'  2706990
                                           'mtime'  1620560503
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 cucaracha and his orchestra (vocal by _Chiquita_) prerock swing
                                      'tag_artist'  Lud Gluskin & His Continental Orchestra v/Chiquito
                                     'tag_release'  78rpm: Columbia 2952-D
                                       'tag_title'  La Cucaracha
                                             'bpm'  123.181
                                    'search_title'  'cucaracha':2 'la':1
                                   'search_artist'  'chiquito':7 'continental':4 'gluskin':2 'his':3 'lud':1 'orchestra':5 'v':6 'vchiquito':8
                                  'search_release'  '2952':4 '2952d':6 '78rpm':1,2 'columbia':3 'd':5
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':8 'by':13 'chiquita':14,15 'country':4 'cucaracha':7 'exotica':2 'his':9 'jazz':1 'oldies':3 'orchestra':10 'prerock':16 'swing':17 'vocal':11,12
                                    'search_combo'  '00oldiepop':21 '1934':22 '2952':14C '2952d':16C '78rpm':11C,12C 'and':24 'by':29 'chiquita':30,31 'chiquito':9B 'columbia':13C 'continental':6B 'country':20 'cucaracha':2A,23 'd':15C 'exotica':18 'gluskin':4B 'his':5B,25 'jazz':17 'la':1A 'lud':3B 'oldies':19 'orchestra':7B,26 'prerock':32 'swing':33 'v':8B 'vchiquito':10B 'vocal':27,28
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560502.893968  (2021-05-09 13:41:42)
                             'size'  2706990