======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '159'
                                          'artist'  'Ella Fitzgerald'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "It's A Pity To Say Goodnight (+ Delta Rhythm Boys)"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalists', 'jazz vocal', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1946'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '116.722'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '116.722'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1946'
'TIT2' (Title/songname/content description)         "It's A Pity To Say Goodnight (+ Delta Rhythm Boys)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ella Fitzgerald'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalists', 'jazz vocal', 'swing']
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.25 dB'
'TXXX:replaygain_track_peak'                        '0.563671'

========================== row from database ==========================
                                              'id'  1505016
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1946/Ella Fitzgerald - It_s A Pity To Say Goodnight (+ Delta Rhythm Boys) 29-8-1946.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  159
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3196588
                                           'mtime'  1620527476
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1946 It_s 29 8 1946 prerock jb jazz unsorted
                                      'tag_artist'  Ella Fitzgerald
                                     'tag_release'  None
                                       'tag_title'  It's A Pity To Say Goodnight (+ Delta Rhythm Boys)
                                             'bpm'  116.722
                                    'search_title'  'a':4 'boys':11,12 'delta':9 'goodnight':8 'it':1 'its':3 'pity':5 'rhythm':10 's':2 'say':7 'to':6
                                   'search_artist'  'ella':1 'fitzgerald':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1946':6 '29':9 '8':10 'country':4 'exotica':2 'it':7 'jazz':1 'jb':12 'oldies':3 'prerock':11 's':8 'unsorted':13
                                    'search_combo'  '00oldiepop':19 '1946':20 '29':23 '8':24 'a':4A 'boys':11A,12A 'country':18 'delta':9A 'ella':13B 'exotica':16 'fitzgerald':14B 'goodnight':8A 'it':1A,21 'its':3A 'jazz':15 'jb':26 'oldies':17 'pity':5A 'prerock':25 'rhythm':10A 's':2A,22 'say':7A 'to':6A 'unsorted':27
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalists', 'jazz vocal', 'swing']
                                        'tag_date'  1946
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527476.4021966  (2021-05-09 04:31:16)
                             'size'  3196588