======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '181'
                                          'artist'  'Ida Cox'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Mean Papa Turn In Your Key'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalist', 'oldies', 'blues singer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1924'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '94.724'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '94.724'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1924'
'TIT2' (Title/songname/content description)         'Mean Papa Turn In Your Key'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ida Cox'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalist', 'oldies', 'blues singer']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '+2.41 dB'
'TXXX:replaygain_track_peak'                        '0.561526'

========================== row from database ==========================
                                              'id'  1442415
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1924/Ida Cox - Mean Papa Turn In Your Key -2-1924.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  181
                                           'genre'  prerock-jb-blues
                                        'filesize'  3630795
                                           'mtime'  1620401250
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1924 2 1924 prerock jb blues
                                      'tag_artist'  Ida Cox
                                     'tag_release'  None
                                       'tag_title'  Mean Papa Turn In Your Key
                                             'bpm'  94.724
                                    'search_title'  'in':4 'key':6 'mean':1 'papa':2 'turn':3 'your':5
                                   'search_artist'  'cox':2 'ida':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1924':6 '2':7 'blues':10 'country':4 'exotica':2 'jazz':1 'jb':9 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':13 '1924':14 '2':15 'blues':18 'country':12 'cox':8B 'exotica':10 'ida':7B 'in':4A 'jazz':9 'jb':17 'key':6A 'mean':1A 'oldies':11 'papa':2A 'prerock':16 'turn':3A 'your':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalist', 'oldies', 'blues singer']
                                        'tag_date'  1924
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401249.5572972  (2021-05-07 17:27:29)
                             'size'  3630795